772197276 has 12 divisors (see below), whose sum is σ = 1801793672. Its totient is φ = 257399088.

The previous prime is 772197253. The next prime is 772197277. The reversal of 772197276 is 672791277.

772197276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772197277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32174875 + ... + 32174898.

Almost surely, 2^772197276 is an apocalyptic number.

It is an amenable number.

772197276 is an abundant number, since it is smaller than the sum of its proper divisors (1029596396).

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

772197276 is a wasteful number, since it uses less digits than its factorization.

772197276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64349780 (or 64349778 counting only the distinct ones).

The product of its digits is 518616, while the sum is 48.

The square root of 772197276 is about 27788.4378114352. The cubic root of 772197276 is about 917.4366562797.

The spelling of 772197276 in words is "seven hundred seventy-two million, one hundred ninety-seven thousand, two hundred seventy-six".