772342912 has 128 divisors (see below), whose sum is σ = 1822927680. Its totient is φ = 321945600.

The previous prime is 772342891. The next prime is 772342927. The reversal of 772342912 is 219243277.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980983 + ... + 981769.

Almost surely, 2^772342912 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 772342912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911463840).

772342912 is an abundant number, since it is smaller than the sum of its proper divisors (1050584768).

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

772342912 is a wasteful number, since it uses less digits than its factorization.

772342912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 858 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 772342912 is about 27791.0581302692. The cubic root of 772342912 is about 917.4943286778.

The spelling of 772342912 in words is "seven hundred seventy-two million, three hundred forty-two thousand, nine hundred twelve".