90452750 has 32 divisors (see below), whose sum is σ = 179296416. Its totient is φ = 34051200.

The previous prime is 90452741. The next prime is 90452777. The reversal of 90452750 is 5725409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6392 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (5603013).

Almost surely, 2^90452750 is an apocalyptic number.

90452750 is a deficient number, since it is larger than the sum of its proper divisors (88843666).

90452750 is a wasteful number, since it uses less digits than its factorization.

90452750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21317 (or 21307 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 90452750 is about 9510.6650661245. The cubic root of 90452750 is about 448.8906832546.

The spelling of 90452750 in words is "ninety million, four hundred fifty-two thousand, seven hundred fifty".