89729072 has 20 divisors (see below), whose sum is σ = 181409520. Its totient is φ = 42913728.

The previous prime is 89729051. The next prime is 89729083. The reversal of 89729072 is 27092798.

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, 121547 + ... + 122282.

It is an arithmetic number, because the mean of its divisors is an integer number (9070476).

Almost surely, 2^89729072 is an apocalyptic number.

It is an amenable number.

89729072 is an abundant number, since it is smaller than the sum of its proper divisors (91680448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89729072 is a wasteful number, since it uses less digits than its factorization.

89729072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243860 (or 243854 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 89729072 is about 9472.5430587567. The cubic root of 89729072 is about 447.6903419232.

The spelling of 89729072 in words is "eighty-nine million, seven hundred twenty-nine thousand, seventy-two".