75981716 has 12 divisors (see below), whose sum is σ = 133499520. Its totient is φ = 37839000.

The previous prime is 75981679. The next prime is 75981727. The reversal of 75981716 is 61718957.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 36836 + ... + 38843.

It is an arithmetic number, because the mean of its divisors is an integer number (11124960).

Almost surely, 2^75981716 is an apocalyptic number.

It is an amenable number.

75981716 is a deficient number, since it is larger than the sum of its proper divisors (57517804).

75981716 is a wasteful number, since it uses less digits than its factorization.

75981716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75934 (or 75932 counting only the distinct ones).

The product of its digits is 105840, while the sum is 44.

The square root of 75981716 is about 8716.7491646829. The cubic root of 75981716 is about 423.5483873685.

The spelling of 75981716 in words is "seventy-five million, nine hundred eighty-one thousand, seven hundred sixteen".