69470138 has 16 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 33356400.

The previous prime is 69470129. The next prime is 69470147. The reversal of 69470138 is 83107496.

It is an interprime number because it is at equal distance from previous prime (69470129) and next prime (69470147).

It is a super-2 number, since 2×69470138² = 9652200147478088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7943 + ... + 14213.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760).

Almost surely, 2^69470138 is an apocalyptic number.

69470138 is a deficient number, since it is larger than the sum of its proper divisors (38910022).

69470138 is a wasteful number, since it uses less digits than its factorization.

69470138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 69470138 is about 8334.8748040987. The cubic root of 69470138 is about 411.0860320767.

The spelling of 69470138 in words is "sixty-nine million, four hundred seventy thousand, one hundred thirty-eight".