2374947864 has 112 divisors (see below), whose sum is σ = 7028208600. Its totient is φ = 749948544.

The previous prime is 2374947857. The next prime is 2374947871. The reversal of 2374947864 is 4687494732.

2374947864 is a `hidden beast` number, since 23 + 7 + 494 + 78 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (2374947857) and next prime (2374947871).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2374947864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 100092 + ... + 121524.

Almost surely, 2^2374947864 is an apocalyptic number.

2374947864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2374947864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514104300).

2374947864 is an abundant number, since it is smaller than the sum of its proper divisors (4653260736).

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

2374947864 is a wasteful number, since it uses less digits than its factorization.

2374947864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21476 (or 21457 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 2374947864 is about 48733.4368170356. The cubic root of 2374947864 is about 1334.1910614974.

The spelling of 2374947864 in words is "two billion, three hundred seventy-four million, nine hundred forty-seven thousand, eight hundred sixty-four".