69216042 has 16 divisors (see below), whose sum is σ = 158208192. Its totient is φ = 19776000.

The previous prime is 69216019. The next prime is 69216067. The reversal of 69216042 is 24061296.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823959 + ... + 824042.

It is an arithmetic number, because the mean of its divisors is an integer number (9888012).

Almost surely, 2^69216042 is an apocalyptic number.

69216042 is an abundant number, since it is smaller than the sum of its proper divisors (88992150).

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

69216042 is a wasteful number, since it uses less digits than its factorization.

69216042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648013.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 69216042 is about 8319.6178998798. The cubic root of 69216042 is about 410.5842196828.

The spelling of 69216042 in words is "sixty-nine million, two hundred sixteen thousand, forty-two".