74915268947 has 8 divisors (see below), whose sum is σ = 75107060352. Its totient is φ = 74723544000.

The previous prime is 74915268937. The next prime is 74915268979. The reversal of 74915268947 is 74986251947.

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

It is a cyclic number.

It is not a de Polignac number, because 74915268947 - 2⁴ = 74915268931 is a prime.

It is a super-2 number, since 2×74915268947² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74915268947.

It is not an unprimeable number, because it can be changed into a prime (74915268937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873822 + ... + 2899772.

It is an arithmetic number, because the mean of its divisors is an integer number (9388382544).

Almost surely, 2^74915268947 is an apocalyptic number.

74915268947 is a deficient number, since it is larger than the sum of its proper divisors (191791405).

74915268947 is a wasteful number, since it uses less digits than its factorization.

74915268947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33229.

The product of its digits is 30481920, while the sum is 62.

The spelling of 74915268947 in words is "seventy-four billion, nine hundred fifteen million, two hundred sixty-eight thousand, nine hundred forty-seven".