722426748 has 48 divisors (see below), whose sum is σ = 1708586880. Its totient is φ = 237556800.

The previous prime is 722426723. The next prime is 722426753. The reversal of 722426748 is 847624227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283263 + ... + 285801.

It is an arithmetic number, because the mean of its divisors is an integer number (35595560).

Almost surely, 2^722426748 is an apocalyptic number.

It is an amenable number.

722426748 is an abundant number, since it is smaller than the sum of its proper divisors (986160132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722426748 is a wasteful number, since it uses less digits than its factorization.

722426748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2856 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 722426748 is about 26877.9974700497. The cubic root of 722426748 is about 897.2867867708.

The spelling of 722426748 in words is "seven hundred twenty-two million, four hundred twenty-six thousand, seven hundred forty-eight".