70756013 has 2 divisors, whose sum is σ = 70756014. Its totient is φ = 70756012.

The previous prime is 70756001. The next prime is 70756031. The reversal of 70756013 is 31065707.

Together with next prime (70756031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 162409 = 8402^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 70756013 - 2²⁴ = 53978797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70756313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35378006 + 35378007.

It is an arithmetic number, because the mean of its divisors is an integer number (35378007).

Almost surely, 2^70756013 is an apocalyptic number.

It is an amenable number.

70756013 is a deficient number, since it is larger than the sum of its proper divisors (1).

70756013 is an equidigital number, since it uses as much as digits as its factorization.

70756013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 70756013 is about 8411.6593487849. The cubic root of 70756013 is about 413.6069086519.

The spelling of 70756013 in words is "seventy million, seven hundred fifty-six thousand, thirteen".