69889742 has 16 divisors (see below), whose sum is σ = 114171120. Its totient is φ = 31893312.

The previous prime is 69889691. The next prime is 69889753. The reversal of 69889742 is 24798896.

It is a congruent number.

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, 12788 + ... + 17415.

It is an arithmetic number, because the mean of its divisors is an integer number (7135695).

Almost surely, 2^69889742 is an apocalyptic number.

69889742 is a deficient number, since it is larger than the sum of its proper divisors (44281378).

69889742 is a wasteful number, since it uses less digits than its factorization.

69889742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30307.

The product of its digits is 1741824, while the sum is 53.

The square root of 69889742 is about 8360.0084928187. The cubic root of 69889742 is about 411.9120330935.

The spelling of 69889742 in words is "sixty-nine million, eight hundred eighty-nine thousand, seven hundred forty-two".