70012506257 has 8 divisors (see below), whose sum is σ = 74262570336. Its totient is φ = 65777073472.

The previous prime is 70012506241. The next prime is 70012506259. The reversal of 70012506257 is 75260521007.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70012506257 - 2⁴ = 70012506241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70012506259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647963 + ... + 3667104.

It is an arithmetic number, because the mean of its divisors is an integer number (9282821292).

Almost surely, 2^70012506257 is an apocalyptic number.

It is an amenable number.

70012506257 is a deficient number, since it is larger than the sum of its proper divisors (4250064079).

70012506257 is a wasteful number, since it uses less digits than its factorization.

70012506257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315647.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 70012506257 in words is "seventy billion, twelve million, five hundred six thousand, two hundred fifty-seven".