70026979 has 4 divisors (see below), whose sum is σ = 76393080. Its totient is φ = 63660880.

The previous prime is 70026959. The next prime is 70026997. The reversal of 70026979 is 97962007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70026979 - 2¹¹ = 70024931 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70026959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3183034 + ... + 3183055.

It is an arithmetic number, because the mean of its divisors is an integer number (19098270).

Almost surely, 2^70026979 is an apocalyptic number.

70026979 is a deficient number, since it is larger than the sum of its proper divisors (6366101).

70026979 is a wasteful number, since it uses less digits than its factorization.

70026979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366100.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 70026979 is about 8368.2124136520. The cubic root of 70026979 is about 412.1814699212.

The spelling of 70026979 in words is "seventy million, twenty-six thousand, nine hundred seventy-nine".