90742526 has 8 divisors (see below), whose sum is σ = 155558640. Its totient is φ = 38889648.

The previous prime is 90742517. The next prime is 90742543. The reversal of 90742526 is 62524709.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 3240791 + ... + 3240818.

It is an arithmetic number, because the mean of its divisors is an integer number (19444830).

Almost surely, 2^90742526 is an apocalyptic number.

90742526 is a deficient number, since it is larger than the sum of its proper divisors (64816114).

90742526 is a wasteful number, since it uses less digits than its factorization.

90742526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481618.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 90742526 is about 9525.8871502868. The cubic root of 90742526 is about 449.3695302655.

The spelling of 90742526 in words is "ninety million, seven hundred forty-two thousand, five hundred twenty-six".