612290475 has 48 divisors (see below), whose sum is σ = 1173734400. Its totient is φ = 312348960.

The previous prime is 612290417. The next prime is 612290477. The reversal of 612290475 is 574092216.

It is not a de Polignac number, because 612290475 - 2¹² = 612286379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612290477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4195 + ... + 35244.

It is an arithmetic number, because the mean of its divisors is an integer number (24452800).

Almost surely, 2^612290475 is an apocalyptic number.

612290475 is a deficient number, since it is larger than the sum of its proper divisors (561443925).

612290475 is a wasteful number, since it uses less digits than its factorization.

612290475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39481 (or 39470 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 612290475 is about 24744.5039352176. The cubic root of 612290475 is about 849.1527775105.

The spelling of 612290475 in words is "six hundred twelve million, two hundred ninety thousand, four hundred seventy-five".