612668475 has 24 divisors (see below), whose sum is σ = 1125495920. Its totient is φ = 326756160.

The previous prime is 612668473. The next prime is 612668477. The reversal of 612668475 is 574866216.

It is an interprime number because it is at equal distance from previous prime (612668473) and next prime (612668477).

It is not a de Polignac number, because 612668475 - 2¹ = 612668473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 612668475.

It is not an unprimeable number, because it can be changed into a prime (612668473) 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, 453154 + ... + 454503.

Almost surely, 2^612668475 is an apocalyptic number.

612668475 is a deficient number, since it is larger than the sum of its proper divisors (512827445).

612668475 is a wasteful number, since it uses less digits than its factorization.

612668475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907676 (or 907665 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 612668475 is about 24752.1408165031. The cubic root of 612668475 is about 849.3274841968.

The spelling of 612668475 in words is "six hundred twelve million, six hundred sixty-eight thousand, four hundred seventy-five".