52745726 has 16 divisors (see below), whose sum is σ = 86427648. Its totient is φ = 23943000.

The previous prime is 52745723. The next prime is 52745741. The reversal of 52745726 is 62754725.

It is a happy number.

It is a super-2 number, since 2×52745726² = 5564223222534152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52745726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52745723) 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, 24281 + ... + 26363.

It is an arithmetic number, because the mean of its divisors is an integer number (5401728).

Almost surely, 2^52745726 is an apocalyptic number.

52745726 is a deficient number, since it is larger than the sum of its proper divisors (33681922).

52745726 is a wasteful number, since it uses less digits than its factorization.

52745726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247.

The product of its digits is 117600, while the sum is 38.

The square root of 52745726 is about 7262.6252829125. The cubic root of 52745726 is about 375.0269041438.

The spelling of 52745726 in words is "fifty-two million, seven hundred forty-five thousand, seven hundred twenty-six".