537221734 has 8 divisors (see below), whose sum is σ = 920951568. Its totient is φ = 230237880.

The previous prime is 537221731. The next prime is 537221753. The reversal of 537221734 is 437122735.

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

It is a self number, because there is not a number n which added to its sum of digits gives 537221734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537221731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19186477 + ... + 19186504.

It is an arithmetic number, because the mean of its divisors is an integer number (115118946).

Almost surely, 2^537221734 is an apocalyptic number.

537221734 is a deficient number, since it is larger than the sum of its proper divisors (383729834).

537221734 is a wasteful number, since it uses less digits than its factorization.

537221734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38372990.

The product of its digits is 35280, while the sum is 34.

The square root of 537221734 is about 23178.0442229279. The cubic root of 537221734 is about 812.9263322809.

The spelling of 537221734 in words is "five hundred thirty-seven million, two hundred twenty-one thousand, seven hundred thirty-four".