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74132417 = 1491573169
BaseRepresentation
bin1000110101100…
…10101111000001
312011111022120002
410122302233001
5122434214132
611204525345
71560054332
oct432625701
9164438502
1074132417
1138933867
12209b0855
1312487748
149bba289
156795262
hex46b2bc1

74132417 has 8 divisors (see below), whose sum is σ = 75129000. Its totient is φ = 73142784.

The previous prime is 74132411. The next prime is 74132419. The reversal of 74132417 is 71423147.

It can be written as a sum of positive squares in 4 ways, for example, as 4393216 + 69739201 = 2096^2 + 8351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74132417 - 28 = 74132161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74132417.

It is not an unprimeable number, because it can be changed into a prime (74132411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21809 + ... + 24977.

It is an arithmetic number, because the mean of its divisors is an integer number (9391125).

Almost surely, 274132417 is an apocalyptic number.

It is an amenable number.

74132417 is a deficient number, since it is larger than the sum of its proper divisors (996583).

74132417 is a wasteful number, since it uses less digits than its factorization.

74132417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475.

The product of its digits is 4704, while the sum is 29.

The square root of 74132417 is about 8610.0184088073. The cubic root of 74132417 is about 420.0839155834.

The spelling of 74132417 in words is "seventy-four million, one hundred thirty-two thousand, four hundred seventeen".

Divisors: 1 149 157 3169 23393 472181 497533 74132417