772760992 has 48 divisors (see below), whose sum is σ = 1591071552. Its totient is φ = 368755200.

The previous prime is 772760987. The next prime is 772761007. The reversal of 772760992 is 299067277.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441463 + ... + 443209.

It is an arithmetic number, because the mean of its divisors is an integer number (33147324).

Almost surely, 2^772760992 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 772760992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795535776).

772760992 is an abundant number, since it is smaller than the sum of its proper divisors (818310560).

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

772760992 is a wasteful number, since it uses less digits than its factorization.

772760992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 772760992 is about 27798.5789564862. The cubic root of 772760992 is about 917.6598496445.

The spelling of 772760992 in words is "seven hundred seventy-two million, seven hundred sixty thousand, nine hundred ninety-two".