63000090 has 24 divisors (see below), whose sum is σ = 163800468. Its totient is φ = 16800000.

The previous prime is 63000089. The next prime is 63000101. The reversal of 63000090 is 9000036.

It can be written as a sum of positive squares in 2 ways, for example, as 61638201 + 1361889 = 7851^2 + 1167^2 .

It is a super-2 number, since 2×63000090² = 7938022680016200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349911 + ... + 350090.

Almost surely, 2^63000090 is an apocalyptic number.

63000090 is an abundant number, since it is smaller than the sum of its proper divisors (100800378).

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

63000090 is a wasteful number, since it uses less digits than its factorization.

63000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700014 (or 700011 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 63000090 is about 7937.2596026588. The cubic root of 63000090 is about 397.9059102685.

The spelling of 63000090 in words is "sixty-three million, ninety", and thus it is an aban number and an uban number.