772152390 has 96 divisors (see below), whose sum is σ = 2048413536. Its totient is φ = 201761280.

The previous prime is 772152349. The next prime is 772152431. The reversal of 772152390 is 93251277.

It is an interprime number because it is at equal distance from previous prime (772152349) and next prime (772152431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1385992 + ... + 1386548.

It is an arithmetic number, because the mean of its divisors is an integer number (21337641).

Almost surely, 2^772152390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772152390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024206768).

772152390 is an abundant number, since it is smaller than the sum of its proper divisors (1276261146).

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

772152390 is a wasteful number, since it uses less digits than its factorization.

772152390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 772152390 is about 27787.6301616385. The cubic root of 772152390 is about 917.4188797948.

The spelling of 772152390 in words is "seven hundred seventy-two million, one hundred fifty-two thousand, three hundred ninety".