71916742 has 8 divisors (see below), whose sum is σ = 107926632. Its totient is φ = 35941200.

The previous prime is 71916739. The next prime is 71916797. The reversal of 71916742 is 24761917.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2484 + ... + 12247.

It is an arithmetic number, because the mean of its divisors is an integer number (13490829).

Almost surely, 2^71916742 is an apocalyptic number.

71916742 is a deficient number, since it is larger than the sum of its proper divisors (36009890).

71916742 is a wasteful number, since it uses less digits than its factorization.

71916742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174.

The product of its digits is 21168, while the sum is 37.

The square root of 71916742 is about 8480.3739304349. The cubic root of 71916742 is about 415.8563475584.

The spelling of 71916742 in words is "seventy-one million, nine hundred sixteen thousand, seven hundred forty-two".