90007738 has 8 divisors (see below), whose sum is σ = 135171360. Its totient is φ = 44950620.

The previous prime is 90007721. The next prime is 90007817. The reversal of 90007738 is 83770009.

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

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, 24478 + ... + 27913.

It is an arithmetic number, because the mean of its divisors is an integer number (16896420).

Almost surely, 2^90007738 is an apocalyptic number.

90007738 is a deficient number, since it is larger than the sum of its proper divisors (45163622).

90007738 is a wasteful number, since it uses less digits than its factorization.

90007738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53252.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 90007738 is about 9487.2408001484. The cubic root of 90007738 is about 448.1533176617.

The spelling of 90007738 in words is "ninety million, seven thousand, seven hundred thirty-eight".