90452751 has 8 divisors (see below), whose sum is σ = 120672000. Its totient is φ = 60267672.

The previous prime is 90452741. The next prime is 90452777. The reversal of 90452751 is 15725409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90452751 - 2⁷ = 90452623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90452741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545 + ... + 13538.

It is an arithmetic number, because the mean of its divisors is an integer number (15084000).

Almost surely, 2^90452751 is an apocalyptic number.

90452751 is a deficient number, since it is larger than the sum of its proper divisors (30219249).

90452751 is a wasteful number, since it uses less digits than its factorization.

90452751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17085.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 90452751 is about 9510.6651186970. The cubic root of 90452751 is about 448.8906849089.

The spelling of 90452751 in words is "ninety million, four hundred fifty-two thousand, seven hundred fifty-one".