70834779 has 12 divisors (see below), whose sum is σ = 106765776. Its totient is φ = 45169872.

The previous prime is 70834763. The next prime is 70834837. The reversal of 70834779 is 97743807.

It is not a de Polignac number, because 70834779 - 2⁴ = 70834763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70834759) 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, 170892 + ... + 171305.

It is an arithmetic number, because the mean of its divisors is an integer number (8897148).

Almost surely, 2^70834779 is an apocalyptic number.

70834779 is a deficient number, since it is larger than the sum of its proper divisors (35930997).

70834779 is a wasteful number, since it uses less digits than its factorization.

70834779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342226 (or 342223 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 70834779 is about 8416.3400002614. The cubic root of 70834779 is about 413.7603282654.

The spelling of 70834779 in words is "seventy million, eight hundred thirty-four thousand, seven hundred seventy-nine".