69980542 has 24 divisors (see below), whose sum is σ = 109914840. Its totient is φ = 33406560.

The previous prime is 69980527. The next prime is 69980543. The reversal of 69980542 is 24508996.

It is a super-2 number, since 2×69980542² = 9794552517227528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69980543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166809 + ... + 167227.

It is an arithmetic number, because the mean of its divisors is an integer number (4579785).

Almost surely, 2^69980542 is an apocalyptic number.

69980542 is a deficient number, since it is larger than the sum of its proper divisors (39934298).

69980542 is a wasteful number, since it uses less digits than its factorization.

69980542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 69980542 is about 8365.4373466066. The cubic root of 69980542 is about 412.0903397900.

The spelling of 69980542 in words is "sixty-nine million, nine hundred eighty thousand, five hundred forty-two".