72661964483 has 2 divisors, whose sum is σ = 72661964484. Its totient is φ = 72661964482.

The previous prime is 72661964471. The next prime is 72661964489. The reversal of 72661964483 is 38446916627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72661964483 - 2⁴ = 72661964467 is a prime.

It is a super-2 number, since 2×72661964483² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72661964489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36330982241 + 36330982242.

It is an arithmetic number, because the mean of its divisors is an integer number (36330982242).

Almost surely, 2^72661964483 is an apocalyptic number.

72661964483 is a deficient number, since it is larger than the sum of its proper divisors (1).

72661964483 is an equidigital number, since it uses as much as digits as its factorization.

72661964483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 56.

The spelling of 72661964483 in words is "seventy-two billion, six hundred sixty-one million, nine hundred sixty-four thousand, four hundred eighty-three".