537728773 has 4 divisors (see below), whose sum is σ = 546842880. Its totient is φ = 528614668.

The previous prime is 537728771. The next prime is 537728777. The reversal of 537728773 is 377827735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 537728773 - 2¹ = 537728771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537728771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4556965 + ... + 4557082.

It is an arithmetic number, because the mean of its divisors is an integer number (136710720).

Almost surely, 2^537728773 is an apocalyptic number.

It is an amenable number.

537728773 is a deficient number, since it is larger than the sum of its proper divisors (9114107).

537728773 is an equidigital number, since it uses as much as digits as its factorization.

537728773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114106.

The product of its digits is 1728720, while the sum is 49.

The square root of 537728773 is about 23188.9795592648. The cubic root of 537728773 is about 813.1820030903.

The spelling of 537728773 in words is "five hundred thirty-seven million, seven hundred twenty-eight thousand, seven hundred seventy-three".