70396807647 has 16 divisors (see below), whose sum is σ = 96550570368. Its totient is φ = 45605664480.

The previous prime is 70396807639. The next prime is 70396807661. The reversal of 70396807647 is 74670869307.

It is not a de Polignac number, because 70396807647 - 2³ = 70396807639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70396857647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2302173 + ... + 2332550.

It is an arithmetic number, because the mean of its divisors is an integer number (6034410648).

Almost surely, 2^70396807647 is an apocalyptic number.

70396807647 is a deficient number, since it is larger than the sum of its proper divisors (26153762721).

70396807647 is a wasteful number, since it uses less digits than its factorization.

70396807647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634870.

The product of its (nonzero) digits is 10668672, while the sum is 57.

The spelling of 70396807647 in words is "seventy billion, three hundred ninety-six million, eight hundred seven thousand, six hundred forty-seven".