90747635 has 32 divisors (see below), whose sum is σ = 122024448. Its totient is φ = 64235520.

The previous prime is 90747619. The next prime is 90747653. The reversal of 90747635 is 53674709.

It is not a de Polignac number, because 90747635 - 2⁴ = 90747619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90747592 and 90747601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470099 + ... + 470291.

It is an arithmetic number, because the mean of its divisors is an integer number (3813264).

Almost surely, 2^90747635 is an apocalyptic number.

90747635 is a deficient number, since it is larger than the sum of its proper divisors (31276813).

90747635 is a wasteful number, since it uses less digits than its factorization.

90747635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 90747635 is about 9526.1553105122. The cubic root of 90747635 is about 449.3779635986.

The spelling of 90747635 in words is "ninety million, seven hundred forty-seven thousand, six hundred thirty-five".