69839425 has 12 divisors (see below), whose sum is σ = 88236540. Its totient is φ = 54816320.

The previous prime is 69839411. The next prime is 69839443. The reversal of 69839425 is 52493896.

It can be written as a sum of positive squares in 6 ways, for example, as 6843456 + 62995969 = 2616^2 + 7937^2 .

It is not a de Polignac number, because 69839425 - 2⁹ = 69838913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25030 + ... + 27679.

It is an arithmetic number, because the mean of its divisors is an integer number (7353045).

Almost surely, 2^69839425 is an apocalyptic number.

It is an amenable number.

69839425 is a deficient number, since it is larger than the sum of its proper divisors (18397115).

69839425 is a wasteful number, since it uses less digits than its factorization.

69839425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52772 (or 52767 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 69839425 is about 8356.9985640779. The cubic root of 69839425 is about 411.8131575739.

The spelling of 69839425 in words is "sixty-nine million, eight hundred thirty-nine thousand, four hundred twenty-five".