89742276 has 96 divisors (see below), whose sum is σ = 256838400. Its totient is φ = 26922240.

The previous prime is 89742259. The next prime is 89742277. The reversal of 89742276 is 67224798.

It is a super-2 number, since 2×89742276² = 16107352203320352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89742277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56785 + ... + 58343.

It is an arithmetic number, because the mean of its divisors is an integer number (2675400).

Almost surely, 2^89742276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89742276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128419200).

89742276 is an abundant number, since it is smaller than the sum of its proper divisors (167096124).

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

89742276 is a wasteful number, since it uses less digits than its factorization.

89742276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1618 counting only the distinct ones).

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

The square root of 89742276 is about 9473.2399948486. The cubic root of 89742276 is about 447.7123006678.

The spelling of 89742276 in words is "eighty-nine million, seven hundred forty-two thousand, two hundred seventy-six".