721427014 has 32 divisors (see below), whose sum is σ = 1353024000. Its totient is φ = 280271040.

The previous prime is 721426991. The next prime is 721427029. The reversal of 721427014 is 410724127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48762 + ... + 61810.

It is an arithmetic number, because the mean of its divisors is an integer number (42282000).

Almost surely, 2^721427014 is an apocalyptic number.

721427014 is a deficient number, since it is larger than the sum of its proper divisors (631596986).

721427014 is a wasteful number, since it uses less digits than its factorization.

721427014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13428.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 721427014 is about 26859.3934034259. The cubic root of 721427014 is about 896.8726907054.

The spelling of 721427014 in words is "seven hundred twenty-one million, four hundred twenty-seven thousand, fourteen".