90574293 has 8 divisors (see below), whose sum is σ = 120928288. Its totient is φ = 60301584.

The previous prime is 90574259. The next prime is 90574339. The reversal of 90574293 is 39247509.

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

It is not a de Polignac number, because 90574293 - 2⁶ = 90574229 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 (90574213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17671 + ... + 22212.

It is an arithmetic number, because the mean of its divisors is an integer number (15116036).

Almost surely, 2^90574293 is an apocalyptic number.

It is an amenable number.

90574293 is a deficient number, since it is larger than the sum of its proper divisors (30353995).

90574293 is a wasteful number, since it uses less digits than its factorization.

90574293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40643.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 90574293 is about 9517.0527475684. The cubic root of 90574293 is about 449.0916541151.

The spelling of 90574293 in words is "ninety million, five hundred seventy-four thousand, two hundred ninety-three".