70790861307 has 18 divisors (see below), whose sum is σ = 97773258388. Its totient is φ = 45557929088.

The previous prime is 70790861243. The next prime is 70790861329. The reversal of 70790861307 is 70316809707.

It is a happy number.

It is not a de Polignac number, because 70790861307 - 2⁶ = 70790861243 is a prime.

It is a super-2 number, since 2×70790861307² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70790861347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13361683 + ... + 13366979.

Almost surely, 2^70790861307 is an apocalyptic number.

70790861307 is a deficient number, since it is larger than the sum of its proper divisors (26982397081).

70790861307 is an frugal number, since it uses more digits than its factorization.

70790861307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655 (or 5329 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 48.

Multiplying 70790861307 by its sum of digits (48), we get a square (3397961342736 = 1843356²).

The spelling of 70790861307 in words is "seventy billion, seven hundred ninety million, eight hundred sixty-one thousand, three hundred seven".