89724726 has 192 divisors, whose sum is σ = 266918400. Its totient is φ = 21695040.

The previous prime is 89724697. The next prime is 89724737. The reversal of 89724726 is 62742798.

Its product of digits (338688) is a multiple of the sum of its prime factors (112).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2894331 + ... + 2894361.

It is an arithmetic number, because the mean of its divisors is an integer number (1390200).

Almost surely, 2^89724726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89724726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133459200).

89724726 is an abundant number, since it is smaller than the sum of its proper divisors (177193674).

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

89724726 is a wasteful number, since it uses less digits than its factorization.

89724726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 75 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 89724726 is about 9472.3136561244. The cubic root of 89724726 is about 447.6831138918.

The spelling of 89724726 in words is "eighty-nine million, seven hundred twenty-four thousand, seven hundred twenty-six".