612668433 has 24 divisors (see below), whose sum is σ = 931133280. Its totient is φ = 357177600.

The previous prime is 612668431. The next prime is 612668461. The reversal of 612668433 is 334866216.

It is not a de Polignac number, because 612668433 - 2¹ = 612668431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 612668391 and 612668400.

It is not an unprimeable number, because it can be changed into a prime (612668431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22168 + ... + 41433.

It is an arithmetic number, because the mean of its divisors is an integer number (38797220).

Almost surely, 2^612668433 is an apocalyptic number.

It is an amenable number.

612668433 is a deficient number, since it is larger than the sum of its proper divisors (318464847).

612668433 is a wasteful number, since it uses less digits than its factorization.

612668433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63649 (or 63636 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 612668433 is about 24752.1399680916. The cubic root of 612668433 is about 849.3274647889.

The spelling of 612668433 in words is "six hundred twelve million, six hundred sixty-eight thousand, four hundred thirty-three".