90737632 has 24 divisors (see below), whose sum is σ = 179550000. Its totient is φ = 45137664.

The previous prime is 90737629. The next prime is 90737639. The reversal of 90737632 is 23673709.

It is a junction number, because it is equal to n+sod(n) for n = 90737591 and 90737600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90737639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757 + ... + 13492.

It is an arithmetic number, because the mean of its divisors is an integer number (7481250).

Almost surely, 2^90737632 is an apocalyptic number.

It is an amenable number.

90737632 is a deficient number, since it is larger than the sum of its proper divisors (88812368).

90737632 is a wasteful number, since it uses less digits than its factorization.

90737632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14458 (or 14450 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 90737632 is about 9525.6302678615. The cubic root of 90737632 is about 449.3614515321.

The spelling of 90737632 in words is "ninety million, seven hundred thirty-seven thousand, six hundred thirty-two".