75771916 has 12 divisors (see below), whose sum is σ = 144655560. Its totient is φ = 34441760.

The previous prime is 75771881. The next prime is 75771929. The reversal of 75771916 is 61917757.

It is a happy number.

It is a super-2 number, since 2×75771916² = 11482766508622112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861001 + ... + 861088.

It is an arithmetic number, because the mean of its divisors is an integer number (12054630).

Almost surely, 2^75771916 is an apocalyptic number.

It is an amenable number.

75771916 is a deficient number, since it is larger than the sum of its proper divisors (68883644).

75771916 is a wasteful number, since it uses less digits than its factorization.

75771916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722104 (or 1722102 counting only the distinct ones).

The product of its digits is 92610, while the sum is 43.

The square root of 75771916 is about 8704.7065430145. The cubic root of 75771916 is about 423.1581954077.

The spelling of 75771916 in words is "seventy-five million, seven hundred seventy-one thousand, nine hundred sixteen".