772231376 has 120 divisors (see below), whose sum is σ = 1795045824. Its totient is φ = 320785920.

The previous prime is 772231333. The next prime is 772231387. The reversal of 772231376 is 673132277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5894831 + ... + 5894961.

Almost surely, 2^772231376 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 772231376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897522912).

772231376 is an abundant number, since it is smaller than the sum of its proper divisors (1022814448).

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

772231376 is a wasteful number, since it uses less digits than its factorization.

772231376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 316 counting only the distinct ones).

The product of its digits is 74088, while the sum is 38.

The square root of 772231376 is about 27789.0513691993. The cubic root of 772231376 is about 917.4501606567.

Subtracting from 772231376 its reverse (673132277), we obtain a palindrome (99099099).

The spelling of 772231376 in words is "seven hundred seventy-two million, two hundred thirty-one thousand, three hundred seventy-six".