69879641 has 12 divisors (see below), whose sum is σ = 75937680. Its totient is φ = 64275120.

The previous prime is 69879617. The next prime is 69879653. The reversal of 69879641 is 14697896.

It is not a de Polignac number, because 69879641 - 2¹⁸ = 69617497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69879641.

It is not an unprimeable number, because it can be changed into a prime (69879671) 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, 63506 + ... + 64596.

It is an arithmetic number, because the mean of its divisors is an integer number (6328140).

Almost surely, 2^69879641 is an apocalyptic number.

It is an amenable number.

69879641 is a deficient number, since it is larger than the sum of its proper divisors (6058039).

69879641 is a wasteful number, since it uses less digits than its factorization.

69879641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1483 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 69879641 is about 8359.4043448083. The cubic root of 69879641 is about 411.8921879117.

The spelling of 69879641 in words is "sixty-nine million, eight hundred seventy-nine thousand, six hundred forty-one".