722478935 has 4 divisors (see below), whose sum is σ = 866974728. Its totient is φ = 577983144.

The previous prime is 722478929. The next prime is 722478959. The reversal of 722478935 is 539874227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 539874227 = 19 ⋅28414433.

It is a cyclic number.

It is not a de Polignac number, because 722478935 - 2⁴ = 722478919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722478935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72247889 + ... + 72247898.

It is an arithmetic number, because the mean of its divisors is an integer number (216743682).

Almost surely, 2^722478935 is an apocalyptic number.

722478935 is a deficient number, since it is larger than the sum of its proper divisors (144495793).

722478935 is a wasteful number, since it uses less digits than its factorization.

722478935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144495792.

The product of its digits is 846720, while the sum is 47.

The square root of 722478935 is about 26878.9682651697. The cubic root of 722478935 is about 897.3083924576.

The spelling of 722478935 in words is "seven hundred twenty-two million, four hundred seventy-eight thousand, nine hundred thirty-five".