69679990 has 8 divisors (see below), whose sum is σ = 125424000. Its totient is φ = 27871992.

The previous prime is 69679943. The next prime is 69680021. The reversal of 69679990 is 9997696.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3483990 + ... + 3484009.

It is an arithmetic number, because the mean of its divisors is an integer number (15678000).

Almost surely, 2^69679990 is an apocalyptic number.

69679990 is a deficient number, since it is larger than the sum of its proper divisors (55744010).

69679990 is a wasteful number, since it uses less digits than its factorization.

69679990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968006.

The product of its (nonzero) digits is 1653372, while the sum is 55.

The square root of 69679990 is about 8347.4541028987. The cubic root of 69679990 is about 411.4995455182.

The spelling of 69679990 in words is "sixty-nine million, six hundred seventy-nine thousand, nine hundred ninety".