70395091 has 12 divisors (see below), whose sum is σ = 77376792. Its totient is φ = 63999936.

The previous prime is 70395089. The next prime is 70395097. The reversal of 70395091 is 19059307.

It is not a de Polignac number, because 70395091 - 2¹ = 70395089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70395097) 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 11 ways as a sum of consecutive naturals, for example, 8215 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (6448066).

Almost surely, 2^70395091 is an apocalyptic number.

70395091 is a deficient number, since it is larger than the sum of its proper divisors (6981701).

70395091 is a wasteful number, since it uses less digits than its factorization.

70395091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310 (or 6297 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 70395091 is about 8390.1782460208. The cubic root of 70395091 is about 412.9024484915.

The spelling of 70395091 in words is "seventy million, three hundred ninety-five thousand, ninety-one".