62972102721 has 24 divisors (see below), whose sum is σ = 92303787520. Its totient is φ = 38159082720.

The previous prime is 62972102689. The next prime is 62972102749. The reversal of 62972102721 is 12720127926.

It is not a de Polignac number, because 62972102721 - 2⁵ = 62972102689 is a prime.

It is a super-2 number, since 2×62972102721² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62972102721.

It is not an unprimeable number, because it can be changed into a prime (62972102761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4290231 + ... + 4304883.

Almost surely, 2^62972102721 is an apocalyptic number.

It is an amenable number.

62972102721 is a deficient number, since it is larger than the sum of its proper divisors (29331684799).

62972102721 is a wasteful number, since it uses less digits than its factorization.

62972102721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26517 (or 26506 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 62972102721 in words is "sixty-two billion, nine hundred seventy-two million, one hundred two thousand, seven hundred twenty-one".