2972763731 has 32 divisors (see below), whose sum is σ = 3743677440. Its totient is φ = 2301640704.

The previous prime is 2972763719. The next prime is 2972763733. The reversal of 2972763731 is 1373672792.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2972763731 - 2¹⁰ = 2972762707 is a prime.

It is a super-2 number, since 2×2972763731² = 17674648400698080722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972763733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1078451 + ... + 1081203.

It is an arithmetic number, because the mean of its divisors is an integer number (116989920).

Almost surely, 2^2972763731 is an apocalyptic number.

2972763731 is a deficient number, since it is larger than the sum of its proper divisors (770913709).

2972763731 is a wasteful number, since it uses less digits than its factorization.

2972763731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its digits is 666792, while the sum is 47.

The square root of 2972763731 is about 54523.0568750506. The cubic root of 2972763731 is about 1437.8716840619.

The spelling of 2972763731 in words is "two billion, nine hundred seventy-two million, seven hundred sixty-three thousand, seven hundred thirty-one".