90310742 has 8 divisors (see below), whose sum is σ = 141356016. Its totient is φ = 43192072.

The previous prime is 90310739. The next prime is 90310757. The reversal of 90310742 is 24701309.

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, 981593 + ... + 981684.

It is an arithmetic number, because the mean of its divisors is an integer number (17669502).

Almost surely, 2^90310742 is an apocalyptic number.

90310742 is a deficient number, since it is larger than the sum of its proper divisors (51045274).

90310742 is a wasteful number, since it uses less digits than its factorization.

90310742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963302.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 90310742 is about 9503.1964096298. The cubic root of 90310742 is about 448.6556454142.

The spelling of 90310742 in words is "ninety million, three hundred ten thousand, seven hundred forty-two".