69394028 has 12 divisors (see below), whose sum is σ = 132479592. Its totient is φ = 31542720.

The previous prime is 69394021. The next prime is 69394033. The reversal of 69394028 is 82049396.

It is a happy number.

It is a super-2 number, since 2×69394028² = 9631062244129568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69394021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788525 + ... + 788612.

It is an arithmetic number, because the mean of its divisors is an integer number (11039966).

Almost surely, 2^69394028 is an apocalyptic number.

It is an amenable number.

69394028 is a deficient number, since it is larger than the sum of its proper divisors (63085564).

69394028 is a wasteful number, since it uses less digits than its factorization.

69394028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577152 (or 1577150 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 69394028 is about 8330.3077974346. The cubic root of 69394028 is about 410.9358515251.

The spelling of 69394028 in words is "sixty-nine million, three hundred ninety-four thousand, twenty-eight".