2972372129 has 8 divisors (see below), whose sum is σ = 3042047232. Its totient is φ = 2903200560.

The previous prime is 2972372107. The next prime is 2972372131. The reversal of 2972372129 is 9212732792.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2972372129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2972372129.

It is not an unprimeable number, because it can be changed into a prime (2972372159) 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, 113927 + ... + 137564.

It is an arithmetic number, because the mean of its divisors is an integer number (380255904).

Almost surely, 2^2972372129 is an apocalyptic number.

It is an amenable number.

2972372129 is a deficient number, since it is larger than the sum of its proper divisors (69675103).

2972372129 is a wasteful number, since it uses less digits than its factorization.

2972372129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251767.

The product of its digits is 190512, while the sum is 44.

The square root of 2972372129 is about 54519.4655971608. The cubic root of 2972372129 is about 1437.8085443706.

The spelling of 2972372129 in words is "two billion, nine hundred seventy-two million, three hundred seventy-two thousand, one hundred twenty-nine".