612961372 has 6 divisors (see below), whose sum is σ = 1072682408. Its totient is φ = 306480684.

The previous prime is 612961361. The next prime is 612961373. The reversal of 612961372 is 273169216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612961373) by changing a digit.

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 as a sum of consecutive naturals, namely, 76620168 + ... + 76620175.

Almost surely, 2^612961372 is an apocalyptic number.

It is an amenable number.

612961372 is a deficient number, since it is larger than the sum of its proper divisors (459721036).

612961372 is a wasteful number, since it uses less digits than its factorization.

612961372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153240347 (or 153240345 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 612961372 is about 24758.0567088776. The cubic root of 612961372 is about 849.4628079760.

The spelling of 612961372 in words is "six hundred twelve million, nine hundred sixty-one thousand, three hundred seventy-two".