87274044 has 96 divisors (see below), whose sum is σ = 265870080. Its totient is φ = 24408000.

The previous prime is 87274043. The next prime is 87274051. The reversal of 87274044 is 44047278.

It is a super-2 number, since 2×87274044² = 15233517512227872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87274043) 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, 12619 + ... + 18269.

It is an arithmetic number, because the mean of its divisors is an integer number (2769480).

Almost surely, 2^87274044 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 87274044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132935040).

87274044 is an abundant number, since it is smaller than the sum of its proper divisors (178596036).

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

87274044 is a wasteful number, since it uses less digits than its factorization.

87274044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688 (or 5680 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 87274044 is about 9342.0578032894. The cubic root of 87274044 is about 443.5695243348.

The spelling of 87274044 in words is "eighty-seven million, two hundred seventy-four thousand, forty-four".