87462744 has 72 divisors (see below), whose sum is σ = 231364140. Its totient is φ = 27550688.

The previous prime is 87462737. The next prime is 87462751. The reversal of 87462744 is 44726478.

It is an interprime number because it is at equal distance from previous prime (87462737) and next prime (87462751).

It is a junction number, because it is equal to n+sod(n) for n = 87462696 and 87462705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1053727 + ... + 1053809.

Almost surely, 2^87462744 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 87462744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115682070).

87462744 is an abundant number, since it is smaller than the sum of its proper divisors (143901396).

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

87462744 is a wasteful number, since it uses less digits than its factorization.

87462744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 111 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 87462744 is about 9352.1518379462. The cubic root of 87462744 is about 443.8889828760. Note that the first 3 decimals are identical.

Multiplying 87462744 by its product of digits (301056), we get a square (26331183857664 = 5131392²).

The spelling of 87462744 in words is "eighty-seven million, four hundred sixty-two thousand, seven hundred forty-four".