90347572 has 24 divisors (see below), whose sum is σ = 184385600. Its totient is φ = 38719800.

The previous prime is 90347539. The next prime is 90347573. The reversal of 90347572 is 27574309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90347573) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31554 + ... + 34297.

Almost surely, 2^90347572 is an apocalyptic number.

It is an amenable number.

90347572 is an abundant number, since it is smaller than the sum of its proper divisors (94038028).

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

90347572 is a wasteful number, since it uses less digits than its factorization.

90347572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65876 (or 65860 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 90347572 is about 9505.1339811704. The cubic root of 90347572 is about 448.7166265014.

The spelling of 90347572 in words is "ninety million, three hundred forty-seven thousand, five hundred seventy-two".