514070721 has 6 divisors (see below), whose sum is σ = 742546610. Its totient is φ = 342713808.

The previous prime is 514070671. The next prime is 514070741. The reversal of 514070721 is 127070415.

It can be written as a sum of positive squares in only one way, i.e., 416772225 + 97298496 = 20415^2 + 9864^2 .

It is not a de Polignac number, because 514070721 - 2¹⁴ = 514054337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514070741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28559476 + ... + 28559493.

Almost surely, 2^514070721 is an apocalyptic number.

It is an amenable number.

514070721 is a deficient number, since it is larger than the sum of its proper divisors (228475889).

514070721 is a wasteful number, since it uses less digits than its factorization.

514070721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57118975 (or 57118972 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 514070721 is about 22673.1277286571. The cubic root of 514070721 is about 801.0770498247.

The spelling of 514070721 in words is "five hundred fourteen million, seventy thousand, seven hundred twenty-one".