722756033 has 4 divisors (see below), whose sum is σ = 726540288. Its totient is φ = 718971780.

The previous prime is 722755993. The next prime is 722756051. The reversal of 722756033 is 330657227.

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 722756033 - 2²⁶ = 655647169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722755984 and 722756002.

It is not an unprimeable number, because it can be changed into a prime (722756063) 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, 1891841 + ... + 1892222.

It is an arithmetic number, because the mean of its divisors is an integer number (181635072).

Almost surely, 2^722756033 is an apocalyptic number.

It is an amenable number.

722756033 is a deficient number, since it is larger than the sum of its proper divisors (3784255).

722756033 is a wasteful number, since it uses less digits than its factorization.

722756033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784254.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 722756033 is about 26884.1223215488. The cubic root of 722756033 is about 897.4230950312.

The spelling of 722756033 in words is "seven hundred twenty-two million, seven hundred fifty-six thousand, thirty-three".