675258894 has 24 divisors (see below), whose sum is σ = 1487860920. Its totient is φ = 221270928.

The previous prime is 675258847. The next prime is 675258901. The reversal of 675258894 is 498852576.

675258894 is a `hidden beast` number, since 6 + 7 + 52 + 588 + 9 + 4 = 666.

It is a super-2 number, since 2×675258894² = 911949147852206472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 675258894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316857 + ... + 318980.

It is an arithmetic number, because the mean of its divisors is an integer number (61994205).

Almost surely, 2^675258894 is an apocalyptic number.

675258894 is an abundant number, since it is smaller than the sum of its proper divisors (812602026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675258894 is a wasteful number, since it uses less digits than its factorization.

675258894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635904 (or 635901 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 675258894 is about 25985.7440532304. The cubic root of 675258894 is about 877.3174568544.

The spelling of 675258894 in words is "six hundred seventy-five million, two hundred fifty-eight thousand, eight hundred ninety-four".