755457 has 8 divisors (see below), whose sum is σ = 1011360. Its totient is φ = 501600.

The previous prime is 755449. The next prime is 755473. The reversal of 755457 is 754557.

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

It is not a de Polignac number, because 755457 - 2³ = 755449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (755437) 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, 957 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (126420).

2⁷⁵⁵⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

755457 is a deficient number, since it is larger than the sum of its proper divisors (255903).

755457 is a wasteful number, since it uses less digits than its factorization.

755457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its digits is 24500, while the sum is 33.

The square root of 755457 is about 869.1702940161. The cubic root of 755457 is about 91.0758535116.

Subtracting from 755457 its reverse (754557), we obtain a square (900 = 30²).

The spelling of 755457 in words is "seven hundred fifty-five thousand, four hundred fifty-seven".