69742917 has 16 divisors (see below), whose sum is σ = 103488000. Its totient is φ = 46420992.

The previous prime is 69742909. The next prime is 69742919. The reversal of 69742917 is 71924796.

It is not a de Polignac number, because 69742917 - 2³ = 69742909 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69742919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19084 + ... + 22442.

It is an arithmetic number, because the mean of its divisors is an integer number (6468000).

Almost surely, 2^69742917 is an apocalyptic number.

It is an amenable number.

69742917 is a deficient number, since it is larger than the sum of its proper divisors (33745083).

69742917 is a wasteful number, since it uses less digits than its factorization.

69742917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137 (or 4131 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 69742917 is about 8351.2224853611. Note that the first 3 decimals coincide. The cubic root of 69742917 is about 411.6233813610.

The spelling of 69742917 in words is "sixty-nine million, seven hundred forty-two thousand, nine hundred seventeen".