71961862 has 8 divisors (see below), whose sum is σ = 123363216. Its totient is φ = 30840792.

The previous prime is 71961839. The next prime is 71961899. The reversal of 71961862 is 26816917.

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, 2570053 + ... + 2570080.

It is an arithmetic number, because the mean of its divisors is an integer number (15420402).

Almost surely, 2^71961862 is an apocalyptic number.

71961862 is a deficient number, since it is larger than the sum of its proper divisors (51401354).

71961862 is a wasteful number, since it uses less digits than its factorization.

71961862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140142.

The product of its digits is 36288, while the sum is 40.

The square root of 71961862 is about 8483.0337733620. The cubic root of 71961862 is about 415.9432977142.

The spelling of 71961862 in words is "seventy-one million, nine hundred sixty-one thousand, eight hundred sixty-two".