612961912 has 32 divisors (see below), whose sum is σ = 1167689520. Its totient is φ = 301616640.

The previous prime is 612961901. The next prime is 612961913. The reversal of 612961912 is 219169216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612961913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132112 + ... + 136672.

Almost surely, 2^612961912 is an apocalyptic number.

It is an amenable number.

612961912 is a deficient number, since it is larger than the sum of its proper divisors (554727608).

612961912 is a wasteful number, since it uses less digits than its factorization.

612961912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831 (or 4827 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The square root of 612961912 is about 24758.0676144161. The cubic root of 612961912 is about 849.4630574261.

The spelling of 612961912 in words is "six hundred twelve million, nine hundred sixty-one thousand, nine hundred twelve".