90497472 has 84 divisors (see below), whose sum is σ = 259369560. Its totient is φ = 27835392.

The previous prime is 90497453. The next prime is 90497483. The reversal of 90497472 is 27479409.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31054 + ... + 33842.

Almost surely, 2^90497472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90497472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129684780).

90497472 is an abundant number, since it is smaller than the sum of its proper divisors (168872088).

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

90497472 is a wasteful number, since it uses less digits than its factorization.

90497472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2807 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 90497472 is about 9513.0159255622. The cubic root of 90497472 is about 448.9646518238.

The spelling of 90497472 in words is "ninety million, four hundred ninety-seven thousand, four hundred seventy-two".