507745992 has 64 divisors (see below), whose sum is σ = 1386322560. Its totient is φ = 154022400.

The previous prime is 507745991. The next prime is 507746003. The reversal of 507745992 is 299547705.

It is not an unprimeable number, because it can be changed into a prime (507745991) 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, 10692 + ... + 33612.

It is an arithmetic number, because the mean of its divisors is an integer number (21661290).

Almost surely, 2^507745992 is an apocalyptic number.

507745992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 507745992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693161280).

507745992 is an abundant number, since it is smaller than the sum of its proper divisors (878576568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

507745992 is a wasteful number, since it uses less digits than its factorization.

507745992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23014 (or 23010 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 48.

The square root of 507745992 is about 22533.2197433034. The cubic root of 507745992 is about 797.7782060854.

The spelling of 507745992 in words is "five hundred seven million, seven hundred forty-five thousand, nine hundred ninety-two".