90772365 has 16 divisors (see below), whose sum is σ = 145607616. Its totient is φ = 48288000.

The previous prime is 90772351. The next prime is 90772391. The reversal of 90772365 is 56327709.

It is not a de Polignac number, because 90772365 - 2⁶ = 90772301 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531 + ... + 13560.

It is an arithmetic number, because the mean of its divisors is an integer number (9100476).

Almost surely, 2^90772365 is an apocalyptic number.

It is an amenable number.

90772365 is a deficient number, since it is larger than the sum of its proper divisors (54835251).

90772365 is a wasteful number, since it uses less digits than its factorization.

90772365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15500.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 90772365 is about 9527.4532273845. The cubic root of 90772365 is about 449.4187804849.

The spelling of 90772365 in words is "ninety million, seven hundred seventy-two thousand, three hundred sixty-five".