72406703304619 has 2 divisors, whose sum is σ = 72406703304620. Its totient is φ = 72406703304618.

The previous prime is 72406703304613. The next prime is 72406703304673. The reversal of 72406703304619 is 91640330760427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72406703304619 - 2³³ = 72398113370027 is a prime.

It is a super-2 number, since 2×72406703304619² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72406703304613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36203351652309 + 36203351652310.

It is an arithmetic number, because the mean of its divisors is an integer number (36203351652310).

Almost surely, 2^{72406703304619} is an apocalyptic number.

72406703304619 is a deficient number, since it is larger than the sum of its proper divisors (1).

72406703304619 is an equidigital number, since it uses as much as digits as its factorization.

72406703304619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 72406703304619 in words is "seventy-two trillion, four hundred six billion, seven hundred three million, three hundred four thousand, six hundred nineteen".