507073731 has 16 divisors (see below), whose sum is σ = 680883456. Its totient is φ = 335666016.

The previous prime is 507073717. The next prime is 507073751. The reversal of 507073731 is 137370705.

It is not a de Polignac number, because 507073731 - 2¹³ = 507065539 is a prime.

It is a super-2 number, since 2×507073731² = 514247537340520722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 507073692 and 507073701.

It is not an unprimeable number, because it can be changed into a prime (507073751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293436 + ... + 295158.

It is an arithmetic number, because the mean of its divisors is an integer number (42555216).

Almost surely, 2^507073731 is an apocalyptic number.

507073731 is a deficient number, since it is larger than the sum of its proper divisors (173809725).

507073731 is a wasteful number, since it uses less digits than its factorization.

507073731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 507073731 is about 22518.2976932094. The cubic root of 507073731 is about 797.4259616870.

The spelling of 507073731 in words is "five hundred seven million, seventy-three thousand, seven hundred thirty-one".