72857014 has 4 divisors (see below), whose sum is σ = 109285524. Its totient is φ = 36428506.

The previous prime is 72857009. The next prime is 72857021. The reversal of 72857014 is 41075827.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18214252 + ... + 18214255.

It is an arithmetic number, because the mean of its divisors is an integer number (27321381).

Almost surely, 2^72857014 is an apocalyptic number.

72857014 is a deficient number, since it is larger than the sum of its proper divisors (36428510).

72857014 is a wasteful number, since it uses less digits than its factorization.

72857014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36428509.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 72857014 is about 8535.6320211218. The cubic root of 72857014 is about 417.6608705119.

The spelling of 72857014 in words is "seventy-two million, eight hundred fifty-seven thousand, fourteen".