675974257 has 24 divisors (see below), whose sum is σ = 822769920. Its totient is φ = 553170240.

The previous prime is 675974237. The next prime is 675974263. The reversal of 675974257 is 752479576.

It is not a de Polignac number, because 675974257 - 2⁷ = 675974129 is a prime.

It is a super-3 number, since 3×675974257³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (675974207) 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, 90844 + ... + 98002.

It is an arithmetic number, because the mean of its divisors is an integer number (34282080).

Almost surely, 2^675974257 is an apocalyptic number.

It is an amenable number.

675974257 is a deficient number, since it is larger than the sum of its proper divisors (146795663).

675974257 is a wasteful number, since it uses less digits than its factorization.

675974257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261 (or 7254 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 52.

The square root of 675974257 is about 25999.5049375945. The cubic root of 675974257 is about 877.6271548379.

The spelling of 675974257 in words is "six hundred seventy-five million, nine hundred seventy-four thousand, two hundred fifty-seven".