772269990 has 32 divisors (see below), whose sum is σ = 1857288960. Its totient is φ = 205511904.

The previous prime is 772269989. The next prime is 772269997. The reversal of 772269990 is 99962277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772269997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11820 + ... + 41039.

It is an arithmetic number, because the mean of its divisors is an integer number (58040280).

Almost surely, 2^772269990 is an apocalyptic number.

772269990 is an abundant number, since it is smaller than the sum of its proper divisors (1085018970).

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

772269990 is a wasteful number, since it uses less digits than its factorization.

772269990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53356.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 772269990 is about 27789.7461305425. The cubic root of 772269990 is about 917.4654522007.

The spelling of 772269990 in words is "seven hundred seventy-two million, two hundred sixty-nine thousand, nine hundred ninety".