74777064 has 32 divisors (see below), whose sum is σ = 190473120. Its totient is φ = 24454976.

The previous prime is 74777041. The next prime is 74777069. The reversal of 74777064 is 46077747.

It is not an unprimeable number, because it can be changed into a prime (74777069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28122 + ... + 30665.

It is an arithmetic number, because the mean of its divisors is an integer number (5952285).

Almost surely, 2^74777064 is an apocalyptic number.

It is an amenable number.

74777064 is an abundant number, since it is smaller than the sum of its proper divisors (115696056).

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

74777064 is a wasteful number, since it uses less digits than its factorization.

74777064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58849 (or 58845 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 42.

The square root of 74777064 is about 8647.3732427830. The cubic root of 74777064 is about 421.2980701629.

It can be divided in two parts, 7477 and 7064, that added together give a palindrome (14541).

The spelling of 74777064 in words is "seventy-four million, seven hundred seventy-seven thousand, sixty-four".