7274772144 has 30 divisors (see below), whose sum is σ = 20359258556. Its totient is φ = 2424924000.

The previous prime is 7274772137. The next prime is 7274772151. The reversal of 7274772144 is 4412774727.

It is an interprime number because it is at equal distance from previous prime (7274772137) and next prime (7274772151).

It is a self number, because there is not a number n which added to its sum of digits gives 7274772144.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25259482 + ... + 25259769.

Almost surely, 2^7274772144 is an apocalyptic number.

It is an amenable number.

7274772144 is an abundant number, since it is smaller than the sum of its proper divisors (13084486412).

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

7274772144 is a wasteful number, since it uses less digits than its factorization.

7274772144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50519265 (or 50519256 counting only the distinct ones).

The product of its digits is 614656, while the sum is 45.

The square root of 7274772144 is about 85292.2748201735. The cubic root of 7274772144 is about 1937.6401802370.

The spelling of 7274772144 in words is "seven billion, two hundred seventy-four million, seven hundred seventy-two thousand, one hundred forty-four".