89754721 has 12 divisors (see below), whose sum is σ = 105883200. Its totient is φ = 75846120.

The previous prime is 89754683. The next prime is 89754733. The reversal of 89754721 is 12745798.

It is not a de Polignac number, because 89754721 - 2⁷ = 89754593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89754751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9421 + ... + 16378.

It is an arithmetic number, because the mean of its divisors is an integer number (8823600).

Almost surely, 2^89754721 is an apocalyptic number.

It is an amenable number.

89754721 is a deficient number, since it is larger than the sum of its proper divisors (16128479).

89754721 is a wasteful number, since it uses less digits than its factorization.

89754721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25884 (or 25877 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 89754721 is about 9473.8968223218. The cubic root of 89754721 is about 447.7329951955.

The spelling of 89754721 in words is "eighty-nine million, seven hundred fifty-four thousand, seven hundred twenty-one".