70768791 has 12 divisors (see below), whose sum is σ = 102594232. Its totient is φ = 47007216.

The previous prime is 70768783. The next prime is 70768801. The reversal of 70768791 is 19786707.

It is a happy number.

It is not a de Polignac number, because 70768791 - 2³ = 70768783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70768721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11701 + ... + 16686.

Almost surely, 2^70768791 is an apocalyptic number.

70768791 is a deficient number, since it is larger than the sum of its proper divisors (31825441).

70768791 is a wasteful number, since it uses less digits than its factorization.

70768791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28670 (or 28667 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 70768791 is about 8412.4188554779. The cubic root of 70768791 is about 413.6318052448.

The spelling of 70768791 in words is "seventy million, seven hundred sixty-eight thousand, seven hundred ninety-one".