722963427 has 4 divisors (see below), whose sum is σ = 963951240. Its totient is φ = 481975616.

The previous prime is 722963411. The next prime is 722963441. The reversal of 722963427 is 724369227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 722963427 - 2⁴ = 722963411 is a prime.

It is a super-2 number, since 2×722963427² = 1045352233559168658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (722963467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120493902 + ... + 120493907.

It is an arithmetic number, because the mean of its divisors is an integer number (240987810).

Almost surely, 2^722963427 is an apocalyptic number.

722963427 is a deficient number, since it is larger than the sum of its proper divisors (240987813).

722963427 is a wasteful number, since it uses less digits than its factorization.

722963427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240987812.

The product of its digits is 254016, while the sum is 42.

The square root of 722963427 is about 26887.9792286442. The cubic root of 722963427 is about 897.5089249920.

The spelling of 722963427 in words is "seven hundred twenty-two million, nine hundred sixty-three thousand, four hundred twenty-seven".