531669772 has 6 divisors (see below), whose sum is σ = 930422108. Its totient is φ = 265834884.

The previous prime is 531669767. The next prime is 531669791. The reversal of 531669772 is 277966135.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66458718 + ... + 66458725.

Almost surely, 2^531669772 is an apocalyptic number.

It is an amenable number.

531669772 is a deficient number, since it is larger than the sum of its proper divisors (398752336).

531669772 is a wasteful number, since it uses less digits than its factorization.

531669772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132917447 (or 132917445 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 531669772 is about 23057.9654783331. The cubic root of 531669772 is about 810.1162115435.

The spelling of 531669772 in words is "five hundred thirty-one million, six hundred sixty-nine thousand, seven hundred seventy-two".