90704765 has 16 divisors (see below), whose sum is σ = 115257600. Its totient is φ = 68334912.

The previous prime is 90704753. The next prime is 90704777. The reversal of 90704765 is 56740709.

It is an interprime number because it is at equal distance from previous prime (90704753) and next prime (90704777).

It is a cyclic number.

It is not a de Polignac number, because 90704765 - 2¹² = 90700669 is a prime.

It is a congruent number.

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, 13676 + ... + 19194.

It is an arithmetic number, because the mean of its divisors is an integer number (7203600).

Almost surely, 2^90704765 is an apocalyptic number.

90704765 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

90704765 is a deficient number, since it is larger than the sum of its proper divisors (24552835).

90704765 is a wasteful number, since it uses less digits than its factorization.

90704765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 90704765 is about 9523.9049239269. The cubic root of 90704765 is about 449.3071890536.

The spelling of 90704765 in words is "ninety million, seven hundred four thousand, seven hundred sixty-five".