90364473 has 24 divisors (see below), whose sum is σ = 135233280. Its totient is φ = 58085280.

The previous prime is 90364427. The next prime is 90364481. The reversal of 90364473 is 37446309.

90364473 is a `hidden beast` number, since 9 + 0 + 3 + 644 + 7 + 3 = 666.

It is not a de Polignac number, because 90364473 - 2¹² = 90360377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90364273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116515 + ... + 117287.

It is an arithmetic number, because the mean of its divisors is an integer number (5634720).

Almost surely, 2^90364473 is an apocalyptic number.

90364473 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

90364473 is a deficient number, since it is larger than the sum of its proper divisors (44868807).

90364473 is a wasteful number, since it uses less digits than its factorization.

90364473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 90364473 is about 9506.0229854551. The cubic root of 90364473 is about 448.7446046997.

The spelling of 90364473 in words is "ninety million, three hundred sixty-four thousand, four hundred seventy-three".