90754751 has 4 divisors (see below), whose sum is σ = 90777600. Its totient is φ = 90731904.

The previous prime is 90754733. The next prime is 90754759. The reversal of 90754751 is 15745709.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90754751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90754759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746 + ... + 13983.

It is an arithmetic number, because the mean of its divisors is an integer number (22694400).

Almost surely, 2^90754751 is an apocalyptic number.

90754751 is a deficient number, since it is larger than the sum of its proper divisors (22849).

90754751 is a wasteful number, since it uses less digits than its factorization.

90754751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22848.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 90754751 is about 9526.5288011951. The cubic root of 90754751 is about 449.3897093225.

The spelling of 90754751 in words is "ninety million, seven hundred fifty-four thousand, seven hundred fifty-one".