74680077 has 4 divisors (see below), whose sum is σ = 99573440. Its totient is φ = 49786716.

The previous prime is 74680063. The next prime is 74680079. The reversal of 74680077 is 77008647.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 74680077 - 2⁸ = 74679821 is a prime.

It is a super-2 number, since 2×74680077² = 11154227801451858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74680079) 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 3 ways as a sum of consecutive naturals, for example, 12446677 + ... + 12446682.

It is an arithmetic number, because the mean of its divisors is an integer number (24893360).

Almost surely, 2^74680077 is an apocalyptic number.

It is an amenable number.

74680077 is a deficient number, since it is larger than the sum of its proper divisors (24893363).

74680077 is a wasteful number, since it uses less digits than its factorization.

74680077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24893362.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 74680077 is about 8641.7635352976. The cubic root of 74680077 is about 421.1158480036.

The spelling of 74680077 in words is "seventy-four million, six hundred eighty thousand, seventy-seven".