535674721 has 4 divisors (see below), whose sum is σ = 535754944. Its totient is φ = 535594500.

The previous prime is 535674719. The next prime is 535674751. The reversal of 535674721 is 127476535.

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, and also an emirpimes, since its reverse is a distinct semiprime: 127476535 = 5 ⋅25495307.

It is a cyclic number.

It is not a de Polignac number, because 535674721 - 2¹ = 535674719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535674751) 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, 29085 + ... + 43786.

It is an arithmetic number, because the mean of its divisors is an integer number (133938736).

Almost surely, 2^535674721 is an apocalyptic number.

It is an amenable number.

535674721 is a deficient number, since it is larger than the sum of its proper divisors (80223).

535674721 is an equidigital number, since it uses as much as digits as its factorization.

535674721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80222.

The product of its digits is 176400, while the sum is 40.

The square root of 535674721 is about 23144.6477830189. The cubic root of 535674721 is about 812.1452664020.

The spelling of 535674721 in words is "five hundred thirty-five million, six hundred seventy-four thousand, seven hundred twenty-one".