69979059 has 40 divisors (see below), whose sum is σ = 111745920. Its totient is φ = 43590960.

The previous prime is 69979031. The next prime is 69979067. The reversal of 69979059 is 95097996.

It is not a de Polignac number, because 69979059 - 2¹³ = 69970867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69978996 and 69979014.

It is not an unprimeable number, because it can be changed into a prime (69972059) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2257374 + ... + 2257404.

It is an arithmetic number, because the mean of its divisors is an integer number (2793648).

Almost surely, 2^69979059 is an apocalyptic number.

69979059 is a deficient number, since it is larger than the sum of its proper divisors (41766861).

69979059 is an frugal number, since it uses more digits than its factorization.

69979059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 69979059 is about 8365.3487076152. The cubic root of 69979059 is about 412.0874288175.

The spelling of 69979059 in words is "sixty-nine million, nine hundred seventy-nine thousand, fifty-nine".