2972700643 has 16 divisors (see below), whose sum is σ = 3294307584. Its totient is φ = 2659980960.

The previous prime is 2972700641. The next prime is 2972700673. The reversal of 2972700643 is 3460072792.

It is a cyclic number.

It is not a de Polignac number, because 2972700643 - 2¹ = 2972700641 is a prime.

It is a super-2 number, since 2×2972700643² = 17673898225785226898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2972700596 and 2972700605.

It is not an unprimeable number, because it can be changed into a prime (2972700641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176746 + ... + 192832.

It is an arithmetic number, because the mean of its divisors is an integer number (205894224).

Almost surely, 2^2972700643 is an apocalyptic number.

2972700643 is a deficient number, since it is larger than the sum of its proper divisors (321606941).

2972700643 is a wasteful number, since it uses less digits than its factorization.

2972700643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16362.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 2972700643 is about 54522.4783277503. The cubic root of 2972700643 is about 1437.8615124844.

The spelling of 2972700643 in words is "two billion, nine hundred seventy-two million, seven hundred thousand, six hundred forty-three".