754040457 has 12 divisors (see below), whose sum is σ = 1153238580. Its totient is φ = 473123328.

The previous prime is 754040453. The next prime is 754040467.

754040457 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 497111616 + 256928841 = 22296^2 + 16029^2 .

It is not a de Polignac number, because 754040457 - 2² = 754040453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (754040453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2464032 + ... + 2464337.

It is an arithmetic number, because the mean of its divisors is an integer number (96103215).

Almost surely, 2^754040457 is an apocalyptic number.

It is an amenable number.

754040457 is a deficient number, since it is larger than the sum of its proper divisors (399198123).

754040457 is a wasteful number, since it uses less digits than its factorization.

754040457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928392 (or 4928389 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 754040457 is about 27459.7971041302. The cubic root of 754040457 is about 910.1889303010.

The spelling of 754040457 in words is "seven hundred fifty-four million, forty thousand, four hundred fifty-seven".