772827690 has 32 divisors (see below), whose sum is σ = 1857827520. Its totient is φ = 205749504.

The previous prime is 772827689. The next prime is 772827707. The reversal of 772827690 is 96728277.

It is a super-2 number, since 2×772827690² = 1194525276861472200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239 + ... + 39378.

It is an arithmetic number, because the mean of its divisors is an integer number (58057110).

Almost surely, 2^772827690 is an apocalyptic number.

772827690 is an abundant number, since it is smaller than the sum of its proper divisors (1084999830).

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

772827690 is a wasteful number, since it uses less digits than its factorization.

772827690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42246.

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 772827690 is about 27799.7785962407. The cubic root of 772827690 is about 917.6862503541.

The spelling of 772827690 in words is "seven hundred seventy-two million, eight hundred twenty-seven thousand, six hundred ninety".