70720001039 has 2 divisors, whose sum is σ = 70720001040. Its totient is φ = 70720001038.

The previous prime is 70720000951. The next prime is 70720001047. The reversal of 70720001039 is 93010002707.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93010002707) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70720001039 is a prime.

It is a super-2 number, since 2×70720001039² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70720001059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35360000519 + 35360000520.

It is an arithmetic number, because the mean of its divisors is an integer number (35360000520).

Almost surely, 2^70720001039 is an apocalyptic number.

70720001039 is a deficient number, since it is larger than the sum of its proper divisors (1).

70720001039 is an equidigital number, since it uses as much as digits as its factorization.

70720001039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The spelling of 70720001039 in words is "seventy billion, seven hundred twenty million, one thousand, thirty-nine".