69375428 has 6 divisors (see below), whose sum is σ = 121407006. Its totient is φ = 34687712.

The previous prime is 69375421. The next prime is 69375433. The reversal of 69375428 is 82457396.

It can be written as a sum of positive squares in only one way, i.e., 57486724 + 11888704 = 7582^2 + 3448^2 .

It is not an unprimeable number, because it can be changed into a prime (69375421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8671925 + ... + 8671932.

It is an arithmetic number, because the mean of its divisors is an integer number (20234501).

Almost surely, 2^69375428 is an apocalyptic number.

It is an amenable number.

69375428 is a deficient number, since it is larger than the sum of its proper divisors (52031578).

69375428 is a wasteful number, since it uses less digits than its factorization.

69375428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17343861 (or 17343859 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 69375428 is about 8329.1913172889. The cubic root of 69375428 is about 410.8991332366.

The spelling of 69375428 in words is "sixty-nine million, three hundred seventy-five thousand, four hundred twenty-eight".