90745504 has 24 divisors (see below), whose sum is σ = 178996608. Its totient is φ = 45286080.

The previous prime is 90745493. The next prime is 90745517. The reversal of 90745504 is 40554709.

It is a super-3 number, since 3×90745504³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90745504.

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 3 ways as a sum of consecutive naturals, for example, 16369 + ... + 21199.

It is an arithmetic number, because the mean of its divisors is an integer number (7458192).

Almost surely, 2^90745504 is an apocalyptic number.

It is an amenable number.

90745504 is a deficient number, since it is larger than the sum of its proper divisors (88251104).

90745504 is a wasteful number, since it uses less digits than its factorization.

90745504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 90745504 is about 9526.0434599051. The cubic root of 90745504 is about 449.3744460343.

The spelling of 90745504 in words is "ninety million, seven hundred forty-five thousand, five hundred four".