753138685 has 8 divisors (see below), whose sum is σ = 973287000. Its totient is φ = 556163904.

The previous prime is 753138649. The next prime is 753138697. The reversal of 753138685 is 586831357.

It can be written as a sum of positive squares in 4 ways, for example, as 4897369 + 748241316 = 2213^2 + 27354^2 .

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 753138685 - 2⁹ = 753138173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5793310 + ... + 5793439.

It is an arithmetic number, because the mean of its divisors is an integer number (121660875).

Almost surely, 2^753138685 is an apocalyptic number.

It is an amenable number.

753138685 is a deficient number, since it is larger than the sum of its proper divisors (220148315).

753138685 is a wasteful number, since it uses less digits than its factorization.

753138685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11586767.

The product of its digits is 604800, while the sum is 46.

The square root of 753138685 is about 27443.3723328603. The cubic root of 753138685 is about 909.8259478736.

The spelling of 753138685 in words is "seven hundred fifty-three million, one hundred thirty-eight thousand, six hundred eighty-five".