537722643 has 8 divisors (see below), whose sum is σ = 722437056. Its totient is φ = 355745000.

The previous prime is 537722641. The next prime is 537722657. The reversal of 537722643 is 346227735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 537722643 - 2¹ = 537722641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537722641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683733 + ... + 684518.

It is an arithmetic number, because the mean of its divisors is an integer number (90304632).

Almost surely, 2^537722643 is an apocalyptic number.

537722643 is a deficient number, since it is larger than the sum of its proper divisors (184714413).

537722643 is a wasteful number, since it uses less digits than its factorization.

537722643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368385.

The product of its digits is 211680, while the sum is 39.

The square root of 537722643 is about 23188.8473840336. The cubic root of 537722643 is about 813.1789130414.

The spelling of 537722643 in words is "five hundred thirty-seven million, seven hundred twenty-two thousand, six hundred forty-three".