71922929242 has 8 divisors (see below), whose sum is σ = 107890477632. Its totient is φ = 35959436700.

The previous prime is 71922929237. The next prime is 71922929257. The reversal of 71922929242 is 24292922917.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969234 + ... + 1040797.

It is an arithmetic number, because the mean of its divisors is an integer number (13486309704).

Almost surely, 2^71922929242 is an apocalyptic number.

71922929242 is a deficient number, since it is larger than the sum of its proper divisors (35967548390).

71922929242 is a wasteful number, since it uses less digits than its factorization.

71922929242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027924.

The product of its digits is 653184, while the sum is 49.

The spelling of 71922929242 in words is "seventy-one billion, nine hundred twenty-two million, nine hundred twenty-nine thousand, two hundred forty-two".