69142942 has 8 divisors (see below), whose sum is σ = 113143032. Its totient is φ = 31428600.

The previous prime is 69142903. The next prime is 69142967. The reversal of 69142942 is 24924196.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571409 + ... + 1571452.

It is an arithmetic number, because the mean of its divisors is an integer number (14142879).

Almost surely, 2^69142942 is an apocalyptic number.

69142942 is a deficient number, since it is larger than the sum of its proper divisors (44000090).

69142942 is a wasteful number, since it uses less digits than its factorization.

69142942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142874.

The product of its digits is 31104, while the sum is 37.

The square root of 69142942 is about 8315.2235087218. The cubic root of 69142942 is about 410.4396275827.

The spelling of 69142942 in words is "sixty-nine million, one hundred forty-two thousand, nine hundred forty-two".