74247513065 has 8 divisors (see below), whose sum is σ = 97196744448. Its totient is φ = 53998191280.

The previous prime is 74247513061. The next prime is 74247513071. The reversal of 74247513065 is 56031574247.

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 74247513065 - 2² = 74247513061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74247513061) 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, 674977337 + ... + 674977446.

It is an arithmetic number, because the mean of its divisors is an integer number (12149593056).

Almost surely, 2^74247513065 is an apocalyptic number.

It is an amenable number.

74247513065 is a deficient number, since it is larger than the sum of its proper divisors (22949231383).

74247513065 is a wasteful number, since it uses less digits than its factorization.

74247513065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349954799.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 74247513065 in words is "seventy-four billion, two hundred forty-seven million, five hundred thirteen thousand, sixty-five".