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74066677 = 172143037
BaseRepresentation
bin1000110101000…
…10101011110101
312011100222101021
410122202223311
5122430113202
611203301141
71556361556
oct432425365
9164328337
1074066677
1138899433
122097a7b1
1312463849
149ba032d
156780a37
hex46a2af5

74066677 has 4 divisors (see below), whose sum is σ = 74111436. Its totient is φ = 74021920.

The previous prime is 74066669. The next prime is 74066701. The reversal of 74066677 is 77666047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77666047 = 174568591.

It can be written as a sum of positive squares in 2 ways, for example, as 21446161 + 52620516 = 4631^2 + 7254^2 .

It is a cyclic number.

It is not a de Polignac number, because 74066677 - 23 = 74066669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74066077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19798 + ... + 23239.

It is an arithmetic number, because the mean of its divisors is an integer number (18527859).

Almost surely, 274066677 is an apocalyptic number.

It is an amenable number.

74066677 is a deficient number, since it is larger than the sum of its proper divisors (44759).

74066677 is a wasteful number, since it uses less digits than its factorization.

74066677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44758.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 74066677 is about 8606.1999163394. The cubic root of 74066677 is about 419.9597032389.

The spelling of 74066677 in words is "seventy-four million, sixty-six thousand, six hundred seventy-seven".

Divisors: 1 1721 43037 74066677