612970872 has 16 divisors (see below), whose sum is σ = 1532427240. Its totient is φ = 204323616.

The previous prime is 612970867. The next prime is 612970879. The reversal of 612970872 is 278079216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612970879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12770203 + ... + 12770250.

Almost surely, 2^612970872 is an apocalyptic number.

It is an amenable number.

612970872 is an abundant number, since it is smaller than the sum of its proper divisors (919456368).

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

612970872 is a wasteful number, since it uses less digits than its factorization.

612970872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25540462 (or 25540458 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 612970872 is about 24758.2485648723. The cubic root of 612970872 is about 849.4671964282.

The spelling of 612970872 in words is "six hundred twelve million, nine hundred seventy thousand, eight hundred seventy-two".