612725716 has 6 divisors (see below), whose sum is σ = 1072270010. Its totient is φ = 306362856.

The previous prime is 612725693. The next prime is 612725731. The reversal of 612725716 is 617527216.

It can be written as a sum of positive squares in only one way, i.e., 612562500 + 163216 = 24750^2 + 404^2 .

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, 76590711 + ... + 76590718.

Almost surely, 2^612725716 is an apocalyptic number.

It is an amenable number.

612725716 is a deficient number, since it is larger than the sum of its proper divisors (459544294).

612725716 is a wasteful number, since it uses less digits than its factorization.

612725716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153181433 (or 153181431 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 612725716 is about 24753.2970733193. The cubic root of 612725716 is about 849.3539339776.

The spelling of 612725716 in words is "six hundred twelve million, seven hundred twenty-five thousand, seven hundred sixteen".