90948724 has 12 divisors (see below), whose sum is σ = 159856900. Its totient is φ = 45275328.

The previous prime is 90948719. The next prime is 90948731. The reversal of 90948724 is 42784909.

It can be written as a sum of positive squares in 2 ways, for example, as 88698724 + 2250000 = 9418^2 + 1500^2 .

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, 48729 + ... + 50560.

Almost surely, 2^90948724 is an apocalyptic number.

It is an amenable number.

90948724 is a deficient number, since it is larger than the sum of its proper divisors (68908176).

90948724 is a wasteful number, since it uses less digits than its factorization.

90948724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99522 (or 99520 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 90948724 is about 9536.7040428022. The cubic root of 90948724 is about 449.7096464403.

The spelling of 90948724 in words is "ninety million, nine hundred forty-eight thousand, seven hundred twenty-four".