90354672 has 60 divisors (see below), whose sum is σ = 263871504. Its totient is φ = 28807680.

The previous prime is 90354661. The next prime is 90354673. The reversal of 90354672 is 27645309.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90354673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10329 + ... + 16952.

Almost surely, 2^90354672 is an apocalyptic number.

90354672 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

90354672 is an abundant number, since it is smaller than the sum of its proper divisors (173516832).

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

90354672 is a wasteful number, since it uses less digits than its factorization.

90354672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27318 (or 27309 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 90354672 is about 9505.5074562066. The cubic root of 90354672 is about 448.7283803852.

The spelling of 90354672 in words is "ninety million, three hundred fifty-four thousand, six hundred seventy-two".