90272465 has 16 divisors (see below), whose sum is σ = 118402560. Its totient is φ = 65775360.

The previous prime is 90272461. The next prime is 90272467. The reversal of 90272465 is 56427209.

It is not a de Polignac number, because 90272465 - 2² = 90272461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90272461) by changing a digit.

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, 14495 + ... + 19764.

It is an arithmetic number, because the mean of its divisors is an integer number (7400160).

Almost surely, 2^90272465 is an apocalyptic number.

It is an amenable number.

90272465 is a deficient number, since it is larger than the sum of its proper divisors (28130095).

90272465 is a wasteful number, since it uses less digits than its factorization.

90272465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34312.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 90272465 is about 9501.1822948515. The cubic root of 90272465 is about 448.5922508924.

The spelling of 90272465 in words is "ninety million, two hundred seventy-two thousand, four hundred sixty-five".