69425399 has 16 divisors (see below), whose sum is σ = 76677120. Its totient is φ = 62570880.

The previous prime is 69425387. The next prime is 69425401. The reversal of 69425399 is 99352496.

It is not a de Polignac number, because 69425399 - 2⁴ = 69425383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69425899) 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, 53642 + ... + 54920.

It is an arithmetic number, because the mean of its divisors is an integer number (4792320).

Almost surely, 2^69425399 is an apocalyptic number.

69425399 is a deficient number, since it is larger than the sum of its proper divisors (7251721).

69425399 is a wasteful number, since it uses less digits than its factorization.

69425399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its digits is 524880, while the sum is 47.

The square root of 69425399 is about 8332.1905283065. The cubic root of 69425399 is about 410.9977662020.

The spelling of 69425399 in words is "sixty-nine million, four hundred twenty-five thousand, three hundred ninety-nine".