742658256 has 60 divisors (see below), whose sum is σ = 2129121540. Its totient is φ = 241512960.

The previous prime is 742658237. The next prime is 742658269. The reversal of 742658256 is 652856247.

It can be written as a sum of positive squares in 2 ways, for example, as 160883856 + 581774400 = 12684^2 + 24120^2 .

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, 56991 + ... + 68798.

It is an arithmetic number, because the mean of its divisors is an integer number (35485359).

Almost surely, 2^742658256 is an apocalyptic number.

It is an amenable number.

742658256 is an abundant number, since it is smaller than the sum of its proper divisors (1386463284).

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

742658256 is a wasteful number, since it uses less digits than its factorization.

742658256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125844 (or 125835 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 742658256 is about 27251.7569341868. The cubic root of 742658256 is about 905.5859400586.

The spelling of 742658256 in words is "seven hundred forty-two million, six hundred fifty-eight thousand, two hundred fifty-six".