612320427 has 12 divisors (see below), whose sum is σ = 884878384. Its totient is φ = 408021840.

The previous prime is 612320419. The next prime is 612320431. The reversal of 612320427 is 724023216.

612320427 is a `hidden beast` number, since 6 + 1 + 232 + 0 + 427 = 666.

It is not a de Polignac number, because 612320427 - 2³ = 612320419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612320427.

It is not an unprimeable number, because it can be changed into a prime (612320497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5802 + ... + 35472.

Almost surely, 2^612320427 is an apocalyptic number.

612320427 is a deficient number, since it is larger than the sum of its proper divisors (272557957).

612320427 is a wasteful number, since it uses less digits than its factorization.

612320427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31970 (or 31967 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 612320427 is about 24745.1091531236. The cubic root of 612320427 is about 849.1666235581.

The spelling of 612320427 in words is "six hundred twelve million, three hundred twenty thousand, four hundred twenty-seven".