772945390 has 16 divisors (see below), whose sum is σ = 1590059232. Its totient is φ = 265009824.

The previous prime is 772945379. The next prime is 772945399. The reversal of 772945390 is 93549277.

It is a self number, because there is not a number n which added to its sum of digits gives 772945390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772945399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520969 + ... + 5521108.

It is an arithmetic number, because the mean of its divisors is an integer number (99378702).

Almost surely, 2^772945390 is an apocalyptic number.

772945390 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

772945390 is an abundant number, since it is smaller than the sum of its proper divisors (817113842).

772945390 is a wasteful number, since it uses less digits than its factorization.

772945390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042091.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 772945390 is about 27801.8954389804. The cubic root of 772945390 is about 917.7328352053.

The spelling of 772945390 in words is "seven hundred seventy-two million, nine hundred forty-five thousand, three hundred ninety".