537497732 has 6 divisors (see below), whose sum is σ = 940621038. Its totient is φ = 268748864.

The previous prime is 537497677. The next prime is 537497801. The reversal of 537497732 is 237794735.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 522396736 + 15100996 = 22856^2 + 3886^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67187213 + ... + 67187220.

It is an arithmetic number, because the mean of its divisors is an integer number (156770173).

Almost surely, 2^537497732 is an apocalyptic number.

It is an amenable number.

537497732 is a deficient number, since it is larger than the sum of its proper divisors (403123306).

537497732 is a wasteful number, since it uses less digits than its factorization.

537497732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134374437 (or 134374435 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 47.

The square root of 537497732 is about 23183.9973257417. The cubic root of 537497732 is about 813.0655222503.

The spelling of 537497732 in words is "five hundred thirty-seven million, four hundred ninety-seven thousand, seven hundred thirty-two".