87465744 has 50 divisors (see below), whose sum is σ = 253154990. Its totient is φ = 29154816.

The previous prime is 87465739. The next prime is 87465761. The reversal of 87465744 is 44756478.

87465744 is a `hidden beast` number, since 8 + 74 + 6 + 574 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 39690000 = 6912^2 + 6300^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87465744.

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 9 ways as a sum of consecutive naturals, for example, 32449 + ... + 35040.

Almost surely, 2^87465744 is an apocalyptic number.

It is an amenable number.

87465744 is an abundant number, since it is smaller than the sum of its proper divisors (165689246).

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

87465744 is a wasteful number, since it uses less digits than its factorization.

87465744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67509 (or 67494 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 87465744 is about 9352.3122274655. The cubic root of 87465744 is about 443.8940579959.

It can be divided in two parts, 87465 and 744, that added together give a square (88209 = 297²).

The spelling of 87465744 in words is "eighty-seven million, four hundred sixty-five thousand, seven hundred forty-four".