612860740 has 12 divisors (see below), whose sum is σ = 1287007596. Its totient is φ = 245144288.

The previous prime is 612860707. The next prime is 612860771. The reversal of 612860740 is 47068216.

It can be written as a sum of positive squares in 2 ways, for example, as 469675584 + 143185156 = 21672^2 + 11966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 612860696 and 612860705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15321499 + ... + 15321538.

It is an arithmetic number, because the mean of its divisors is an integer number (107250633).

Almost surely, 2^612860740 is an apocalyptic number.

It is an amenable number.

612860740 is an abundant number, since it is smaller than the sum of its proper divisors (674146856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612860740 is a wasteful number, since it uses less digits than its factorization.

612860740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30643046 (or 30643044 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 612860740 is about 24756.0243173253. The cubic root of 612860740 is about 849.4163190108.

The spelling of 612860740 in words is "six hundred twelve million, eight hundred sixty thousand, seven hundred forty".