90273765 has 16 divisors (see below), whose sum is σ = 144777600. Its totient is φ = 48032832.

The previous prime is 90273739. The next prime is 90273773. The reversal of 90273765 is 56737209.

It is not a de Polignac number, because 90273765 - 2⁷ = 90273637 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, 270 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (9048600).

Almost surely, 2^90273765 is an apocalyptic number.

It is an amenable number.

90273765 is a deficient number, since it is larger than the sum of its proper divisors (54503835).

90273765 is a wasteful number, since it uses less digits than its factorization.

90273765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156.

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

The square root of 90273765 is about 9501.2507071438. The cubic root of 90273765 is about 448.5944042516.

The spelling of 90273765 in words is "ninety million, two hundred seventy-three thousand, seven hundred sixty-five".