69488939 has 8 divisors (see below), whose sum is σ = 75425280. Its totient is φ = 63637056.

The previous prime is 69488933. The next prime is 69488941. The reversal of 69488939 is 93988496.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69488939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69488933) 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, 19394 + ... + 22695.

It is an arithmetic number, because the mean of its divisors is an integer number (9428160).

Almost surely, 2^69488939 is an apocalyptic number.

69488939 is a deficient number, since it is larger than the sum of its proper divisors (5936341).

69488939 is a wasteful number, since it uses less digits than its factorization.

69488939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42229.

The product of its digits is 3359232, while the sum is 56.

The square root of 69488939 is about 8336.0025791743. The cubic root of 69488939 is about 411.1231133877.

The spelling of 69488939 in words is "sixty-nine million, four hundred eighty-eight thousand, nine hundred thirty-nine".