71916190 has 16 divisors (see below), whose sum is σ = 129548160. Its totient is φ = 28744480.

The previous prime is 71916179. The next prime is 71916211. The reversal of 71916190 is 9161917.

It is a super-2 number, since 2×71916190² = 10343876768232200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19731 + ... + 23089.

It is an arithmetic number, because the mean of its divisors is an integer number (8096760).

Almost surely, 2^71916190 is an apocalyptic number.

71916190 is a deficient number, since it is larger than the sum of its proper divisors (57631970).

71916190 is a wasteful number, since it uses less digits than its factorization.

71916190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 71916190 is about 8480.3413846378. The cubic root of 71916190 is about 415.8552835814.

The spelling of 71916190 in words is "seventy-one million, nine hundred sixteen thousand, one hundred ninety".