90025742 has 8 divisors (see below), whose sum is σ = 135082416. Its totient is φ = 44998272.

The previous prime is 90025729. The next prime is 90025751. The reversal of 90025742 is 24752009.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758 + ... + 13934.

It is an arithmetic number, because the mean of its divisors is an integer number (16885302).

Almost surely, 2^90025742 is an apocalyptic number.

90025742 is a deficient number, since it is larger than the sum of its proper divisors (45056674).

90025742 is a wasteful number, since it uses less digits than its factorization.

90025742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 90025742 is about 9488.1896060313. The cubic root of 90025742 is about 448.1831966276.

The spelling of 90025742 in words is "ninety million, twenty-five thousand, seven hundred forty-two".