71918974 has 8 divisors (see below), whose sum is σ = 108161280. Its totient is φ = 35865216.

The previous prime is 71918947. The next prime is 71918981. The reversal of 71918974 is 47981917.

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, 46179 + ... + 47710.

It is an arithmetic number, because the mean of its divisors is an integer number (13520160).

Almost surely, 2^71918974 is an apocalyptic number.

71918974 is a deficient number, since it is larger than the sum of its proper divisors (36242306).

71918974 is a wasteful number, since it uses less digits than its factorization.

71918974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94274.

The product of its digits is 127008, while the sum is 46.

The square root of 71918974 is about 8480.5055273846. The cubic root of 71918974 is about 415.8606496710.

The spelling of 71918974 in words is "seventy-one million, nine hundred eighteen thousand, nine hundred seventy-four".