74715265287 has 48 divisors (see below), whose sum is σ = 119288577408. Its totient is φ = 44772678720.

The previous prime is 74715265259. The next prime is 74715265291. The reversal of 74715265287 is 78256251747.

It is not a de Polignac number, because 74715265287 - 2¹⁰ = 74715264263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74715265297) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1642828 + ... + 1687694.

It is an arithmetic number, because the mean of its divisors is an integer number (2485178696).

Almost surely, 2^74715265287 is an apocalyptic number.

74715265287 is a deficient number, since it is larger than the sum of its proper divisors (44573312121).

74715265287 is a wasteful number, since it uses less digits than its factorization.

74715265287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45260 (or 45257 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 74715265287 in words is "seventy-four billion, seven hundred fifteen million, two hundred sixty-five thousand, two hundred eighty-seven".