71949914 has 8 divisors (see below), whose sum is σ = 109137780. Its totient is φ = 35570656.

The previous prime is 71949907. The next prime is 71949923. The reversal of 71949914 is 41994917.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52809289 + 19140625 = 7267^2 + 4375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 201929 + ... + 202284.

Almost surely, 2^71949914 is an apocalyptic number.

71949914 is a deficient number, since it is larger than the sum of its proper divisors (37187866).

71949914 is a wasteful number, since it uses less digits than its factorization.

71949914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404304.

The product of its digits is 81648, while the sum is 44.

The square root of 71949914 is about 8482.3295149387. The cubic root of 71949914 is about 415.9202764200.

The spelling of 71949914 in words is "seventy-one million, nine hundred forty-nine thousand, nine hundred fourteen".