69172042 has 8 divisors (see below), whose sum is σ = 103990500. Its totient is φ = 34508544.

The previous prime is 69172007. The next prime is 69172087. The reversal of 69172042 is 24027196.

It can be written as a sum of positive squares in 2 ways, for example, as 64336441 + 4835601 = 8021^2 + 2199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 69171995 and 69172013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37617 + ... + 39412.

Almost surely, 2^69172042 is an apocalyptic number.

69172042 is a deficient number, since it is larger than the sum of its proper divisors (34818458).

69172042 is a wasteful number, since it uses less digits than its factorization.

69172042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77480.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 69172042 is about 8316.9731272862. The cubic root of 69172042 is about 410.4971997061.

The spelling of 69172042 in words is "sixty-nine million, one hundred seventy-two thousand, forty-two".