507142730 has 16 divisors (see below), whose sum is σ = 913214304. Its totient is φ = 202777680.

The previous prime is 507142729. The next prime is 507142747. The reversal of 507142730 is 37241705.

It is a junction number, because it is equal to n+sod(n) for n = 507142693 and 507142702.

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, 21689 + ... + 38531.

It is an arithmetic number, because the mean of its divisors is an integer number (57075894).

Almost surely, 2^507142730 is an apocalyptic number.

507142730 is a deficient number, since it is larger than the sum of its proper divisors (406071574).

507142730 is a wasteful number, since it uses less digits than its factorization.

507142730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19861.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 507142730 is about 22519.8297062833. The cubic root of 507142730 is about 797.4621294045.

The spelling of 507142730 in words is "five hundred seven million, one hundred forty-two thousand, seven hundred thirty".