507672369 has 6 divisors (see below), whose sum is σ = 733304546. Its totient is φ = 338448240.

The previous prime is 507672329. The next prime is 507672371. The reversal of 507672369 is 963276705.

507672369 is a `hidden beast` number, since 507 + 67 + 23 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 389667600 + 118004769 = 19740^2 + 10863^2 .

It is not a de Polignac number, because 507672369 - 2¹¹ = 507670321 is a prime.

It is a super-2 number, since 2×507672369² = 515462468492144322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507672329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28204012 + ... + 28204029.

Almost surely, 2^507672369 is an apocalyptic number.

It is an amenable number.

507672369 is a deficient number, since it is larger than the sum of its proper divisors (225632177).

507672369 is a wasteful number, since it uses less digits than its factorization.

507672369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56408047 (or 56408044 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 507672369 is about 22531.5860293944. The cubic root of 507672369 is about 797.7396450300.

The spelling of 507672369 in words is "five hundred seven million, six hundred seventy-two thousand, three hundred sixty-nine".