77472464 has 20 divisors (see below), whose sum is σ = 156629856. Its totient is φ = 37051872.

The previous prime is 77472463. The next prime is 77472509. The reversal of 77472464 is 46427477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77472463) 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 3 ways as a sum of consecutive naturals, for example, 104894 + ... + 105629.

Almost surely, 2^77472464 is an apocalyptic number.

It is an amenable number.

77472464 is an abundant number, since it is smaller than the sum of its proper divisors (79157392).

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

77472464 is a wasteful number, since it uses less digits than its factorization.

77472464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210554 (or 210548 counting only the distinct ones).

The product of its digits is 263424, while the sum is 41.

The square root of 77472464 is about 8801.8443521798. The cubic root of 77472464 is about 426.3004485601.

The spelling of 77472464 in words is "seventy-seven million, four hundred seventy-two thousand, four hundred sixty-four".