77073264 has 60 divisors (see below), whose sum is σ = 216517392. Its totient is φ = 25593600.

The previous prime is 77073259. The next prime is 77073281. The reversal of 77073264 is 46237077.

It is a super-2 number, since 2×77073264² = 11880576047227392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43924 + ... + 45644.

Almost surely, 2^77073264 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 77073264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108258696).

77073264 is an abundant number, since it is smaller than the sum of its proper divisors (139444128).

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

77073264 is a wasteful number, since it uses less digits than its factorization.

77073264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 77073264 is about 8779.1379986876. The cubic root of 77073264 is about 425.5669738539.

The spelling of 77073264 in words is "seventy-seven million, seventy-three thousand, two hundred sixty-four".