74834872415 has 8 divisors (see below), whose sum is σ = 93706275168. Its totient is φ = 57264945760.

The previous prime is 74834872397. The next prime is 74834872451. The reversal of 74834872415 is 51427843847.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74834872415 - 2¹⁸ = 74834610271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325368896 + ... + 325369125.

It is an arithmetic number, because the mean of its divisors is an integer number (11713284396).

Almost surely, 2^74834872415 is an apocalyptic number.

74834872415 is a deficient number, since it is larger than the sum of its proper divisors (18871402753).

74834872415 is a wasteful number, since it uses less digits than its factorization.

74834872415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650738049.

The product of its digits is 6021120, while the sum is 53.

The spelling of 74834872415 in words is "seventy-four billion, eight hundred thirty-four million, eight hundred seventy-two thousand, four hundred fifteen".