69642942 has 32 divisors (see below), whose sum is σ = 152997120. Its totient is φ = 21035520.

The previous prime is 69642913. The next prime is 69642953. The reversal of 69642942 is 24924696.

It is a super-3 number, since 3×69642942³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69642894 and 69642903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10659 + ... + 15902.

It is an arithmetic number, because the mean of its divisors is an integer number (4781160).

Almost surely, 2^69642942 is an apocalyptic number.

69642942 is an abundant number, since it is smaller than the sum of its proper divisors (83354178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69642942 is a wasteful number, since it uses less digits than its factorization.

69642942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26608.

The product of its digits is 186624, while the sum is 42.

The square root of 69642942 is about 8345.2346881319. The cubic root of 69642942 is about 411.4266028276.

The spelling of 69642942 in words is "sixty-nine million, six hundred forty-two thousand, nine hundred forty-two".