71493214 has 16 divisors (see below), whose sum is σ = 115637760. Its totient is φ = 32954400.

The previous prime is 71493203. The next prime is 71493229. The reversal of 71493214 is 41239417.

It is a super-2 number, since 2×71493214² = 10222559296099592, 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, 28732 + ... + 31120.

It is an arithmetic number, because the mean of its divisors is an integer number (7227360).

Almost surely, 2^71493214 is an apocalyptic number.

71493214 is a deficient number, since it is larger than the sum of its proper divisors (44144546).

71493214 is a wasteful number, since it uses less digits than its factorization.

71493214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555.

The product of its digits is 6048, while the sum is 31.

The square root of 71493214 is about 8455.3659885306. The cubic root of 71493214 is about 415.0383938931.

The spelling of 71493214 in words is "seventy-one million, four hundred ninety-three thousand, two hundred fourteen".