753478745 has 4 divisors (see below), whose sum is σ = 904174500. Its totient is φ = 602782992.

The previous prime is 753478673. The next prime is 753478751. The reversal of 753478745 is 547874357.

It is a happy number.

753478745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238733401 + 514745344 = 15451^2 + 22688^2 .

It is a cyclic number.

It is not a de Polignac number, because 753478745 - 2¹⁰ = 753477721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 753478693 and 753478702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75347870 + ... + 75347879.

It is an arithmetic number, because the mean of its divisors is an integer number (226043625).

Almost surely, 2^753478745 is an apocalyptic number.

It is an amenable number.

753478745 is a deficient number, since it is larger than the sum of its proper divisors (150695755).

753478745 is a wasteful number, since it uses less digits than its factorization.

753478745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150695754.

The product of its digits is 3292800, while the sum is 50.

The square root of 753478745 is about 27449.5673007791. The cubic root of 753478745 is about 909.9628632754.

The spelling of 753478745 in words is "seven hundred fifty-three million, four hundred seventy-eight thousand, seven hundred forty-five".