70602920091 has 24 divisors (see below), whose sum is σ = 111268578096. Its totient is φ = 42783690240.

The previous prime is 70602920041. The next prime is 70602920111. The reversal of 70602920091 is 19002920607.

It is not a de Polignac number, because 70602920091 - 2¹⁹ = 70602395803 is a prime.

It is a super-2 number, since 2×70602920091² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70602920041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 725751 + ... + 817263.

It is an arithmetic number, because the mean of its divisors is an integer number (4636190754).

Almost surely, 2^70602920091 is an apocalyptic number.

70602920091 is a deficient number, since it is larger than the sum of its proper divisors (40665658005).

70602920091 is a wasteful number, since it uses less digits than its factorization.

70602920091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99323 (or 99320 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 70602920091 in words is "seventy billion, six hundred two million, nine hundred twenty thousand, ninety-one".