721500008014 has 16 divisors (see below), whose sum is σ = 1150829866368. Its totient is φ = 338072204032.

The previous prime is 721500007981. The next prime is 721500008059. The reversal of 721500008014 is 410800005127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45529822 + ... + 45545665.

It is an arithmetic number, because the mean of its divisors is an integer number (71926866648).

Almost surely, 2^721500008014 is an apocalyptic number.

721500008014 is a deficient number, since it is larger than the sum of its proper divisors (429329858354).

721500008014 is a wasteful number, since it uses less digits than its factorization.

721500008014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91075739.

The product of its (nonzero) digits is 2240, while the sum is 28.

The spelling of 721500008014 in words is "seven hundred twenty-one billion, five hundred million, eight thousand, fourteen".