90037738 has 16 divisors (see below), whose sum is σ = 154486080. Its totient is φ = 38553696.

The previous prime is 90037723. The next prime is 90037747. The reversal of 90037738 is 83773009.

It is a junction number, because it is equal to n+sod(n) for n = 90037697 and 90037706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20070 + ... + 24142.

It is an arithmetic number, because the mean of its divisors is an integer number (9655380).

Almost surely, 2^90037738 is an apocalyptic number.

90037738 is a deficient number, since it is larger than the sum of its proper divisors (64448342).

90037738 is a wasteful number, since it uses less digits than its factorization.

90037738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 90037738 is about 9488.8217392888. The cubic root of 90037738 is about 448.2031026631.

The spelling of 90037738 in words is "ninety million, thirty-seven thousand, seven hundred thirty-eight".