9999974372 has 6 divisors (see below), whose sum is σ = 17499955158. Its totient is φ = 4999987184.

The previous prime is 9999974371. The next prime is 9999974401. The reversal of 9999974372 is 2734799999.

It can be written as a sum of positive squares in only one way, i.e., 9413656576 + 586317796 = 97024^2 + 24214^2 .

It is not an unprimeable number, because it can be changed into a prime (9999974371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249996793 + ... + 1249996800.

It is an arithmetic number, because the mean of its divisors is an integer number (2916659193).

Almost surely, 2^9999974372 is an apocalyptic number.

It is an amenable number.

9999974372 is a deficient number, since it is larger than the sum of its proper divisors (7499980786).

9999974372 is a wasteful number, since it uses less digits than its factorization.

9999974372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499993597 (or 2499993595 counting only the distinct ones).

The product of its digits is 69441624, while the sum is 68.

The square root of 9999974372 is about 99999.8718599179. The cubic root of 9999974372 is about 2154.4328495686.

The spelling of 9999974372 in words is "nine billion, nine hundred ninety-nine million, nine hundred seventy-four thousand, three hundred seventy-two".