70037349973 has 2 divisors, whose sum is σ = 70037349974. Its totient is φ = 70037349972.

The previous prime is 70037349961. The next prime is 70037349997. The reversal of 70037349973 is 37994373007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44366260689 + 25671089284 = 210633^2 + 160222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70037349973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70037349973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70037349923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35018674986 + 35018674987.

It is an arithmetic number, because the mean of its divisors is an integer number (35018674987).

Almost surely, 2^70037349973 is an apocalyptic number.

It is an amenable number.

70037349973 is a deficient number, since it is larger than the sum of its proper divisors (1).

70037349973 is an equidigital number, since it uses as much as digits as its factorization.

70037349973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000564, while the sum is 52.

The spelling of 70037349973 in words is "seventy billion, thirty-seven million, three hundred forty-nine thousand, nine hundred seventy-three".