507749745 has 8 divisors (see below), whose sum is σ = 812399616. Its totient is φ = 270799856.

The previous prime is 507749689. The next prime is 507749773. The reversal of 507749745 is 547947705.

It is a happy number.

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 507749745 - 2⁶ = 507749681 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 507749694 and 507749703.

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, 16924977 + ... + 16925006.

It is an arithmetic number, because the mean of its divisors is an integer number (101549952).

Almost surely, 2^507749745 is an apocalyptic number.

It is an amenable number.

507749745 is a deficient number, since it is larger than the sum of its proper divisors (304649871).

507749745 is a wasteful number, since it uses less digits than its factorization.

507749745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33849991.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The square root of 507749745 is about 22533.3030201966. The cubic root of 507749745 is about 797.7801716707.

The spelling of 507749745 in words is "five hundred seven million, seven hundred forty-nine thousand, seven hundred forty-five".