74786964 has 96 divisors (see below), whose sum is σ = 214609920. Its totient is φ = 19792512.

The previous prime is 74786951. The next prime is 74786981. The reversal of 74786964 is 46968747.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74514 + ... + 75510.

It is an arithmetic number, because the mean of its divisors is an integer number (2235520).

Almost surely, 2^74786964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74786964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107304960).

74786964 is an abundant number, since it is smaller than the sum of its proper divisors (139822956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74786964 is a wasteful number, since it uses less digits than its factorization.

74786964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 74786964 is about 8647.9456520031. The cubic root of 74786964 is about 421.3166617231.

The spelling of 74786964 in words is "seventy-four million, seven hundred eighty-six thousand, nine hundred sixty-four".