90260572 has 24 divisors (see below), whose sum is σ = 159988752. Its totient is φ = 44553600.

The previous prime is 90260567. The next prime is 90260593. The reversal of 90260572 is 27506209.

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 7 ways as a sum of consecutive naturals, for example, 146938 + ... + 147550.

It is an arithmetic number, because the mean of its divisors is an integer number (6666198).

Almost surely, 2^90260572 is an apocalyptic number.

It is an amenable number.

90260572 is a deficient number, since it is larger than the sum of its proper divisors (69728180).

90260572 is a wasteful number, since it uses less digits than its factorization.

90260572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 90260572 is about 9500.5564047586. The cubic root of 90260572 is about 448.5725500089.

The spelling of 90260572 in words is "ninety million, two hundred sixty thousand, five hundred seventy-two".