268073257 has 8 divisors (see below), whose sum is σ = 280934784. Its totient is φ = 255312288.

The previous prime is 268073249. The next prime is 268073263. The reversal of 268073257 is 752370862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268073257 - 2³ = 268073249 is a prime.

It is a super-2 number, since 2×268073257² = 143726542237176098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268073207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19653 + ... + 30370.

It is an arithmetic number, because the mean of its divisors is an integer number (35116848).

Almost surely, 2^268073257 is an apocalyptic number.

It is an amenable number.

268073257 is a deficient number, since it is larger than the sum of its proper divisors (12861527).

268073257 is a wasteful number, since it uses less digits than its factorization.

268073257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50279.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 268073257 is about 16372.9428326126. The cubic root of 268073257 is about 644.7893124341.

The spelling of 268073257 in words is "two hundred sixty-eight million, seventy-three thousand, two hundred fifty-seven".