71940014 has 8 divisors (see below), whose sum is σ = 108144480. Its totient is φ = 35891856.

The previous prime is 71940013. The next prime is 71940017. The reversal of 71940014 is 41004917.

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

It is a super-2 number, since 2×71940014² = 10350731228640392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71940013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37919 + ... + 39770.

It is an arithmetic number, because the mean of its divisors is an integer number (13518060).

Almost surely, 2^71940014 is an apocalyptic number.

71940014 is a deficient number, since it is larger than the sum of its proper divisors (36204466).

71940014 is a wasteful number, since it uses less digits than its factorization.

71940014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78154.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 71940014 is about 8481.7459287578. The cubic root of 71940014 is about 415.9011992621.

The spelling of 71940014 in words is "seventy-one million, nine hundred forty thousand, fourteen".