70879073 has 8 divisors (see below), whose sum is σ = 72936936. Its totient is φ = 68848000.

The previous prime is 70879043. The next prime is 70879091. The reversal of 70879073 is 37097807.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59474944 + 11404129 = 7712^2 + 3377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70879073 - 2⁶ = 70879009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70879073.

It is not an unprimeable number, because it can be changed into a prime (70879033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (9117117).

Almost surely, 2^70879073 is an apocalyptic number.

It is an amenable number.

70879073 is a deficient number, since it is larger than the sum of its proper divisors (2057863).

70879073 is a wasteful number, since it uses less digits than its factorization.

70879073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13395.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 70879073 is about 8418.9710178857. The cubic root of 70879073 is about 413.8465537114.

The spelling of 70879073 in words is "seventy million, eight hundred seventy-nine thousand, seventy-three".