69998375 has 16 divisors (see below), whose sum is σ = 91958880. Its totient is φ = 53049600.

The previous prime is 69998371. The next prime is 69998389. The reversal of 69998375 is 57389996.

It is not a de Polignac number, because 69998375 - 2² = 69998371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69998375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69998371) 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, 12362 + ... + 17111.

It is an arithmetic number, because the mean of its divisors is an integer number (5747430).

Almost surely, 2^69998375 is an apocalyptic number.

69998375 is a deficient number, since it is larger than the sum of its proper divisors (21960505).

69998375 is a wasteful number, since it uses less digits than its factorization.

69998375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29507 (or 29497 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 56.

The square root of 69998375 is about 8366.5031524526. The cubic root of 69998375 is about 412.1253408664.

The spelling of 69998375 in words is "sixty-nine million, nine hundred ninety-eight thousand, three hundred seventy-five".