722728954 has 16 divisors (see below), whose sum is σ = 1190767680. Its totient is φ = 327460320.

The previous prime is 722728949. The next prime is 722728957. The reversal of 722728954 is 459827227.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (722728957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412587 + ... + 414334.

It is an arithmetic number, because the mean of its divisors is an integer number (74422980).

Almost surely, 2^722728954 is an apocalyptic number.

722728954 is a deficient number, since it is larger than the sum of its proper divisors (468038726).

722728954 is a wasteful number, since it uses less digits than its factorization.

722728954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826965.

The product of its digits is 564480, while the sum is 46.

The square root of 722728954 is about 26883.6186924305. The cubic root of 722728954 is about 897.4118871813.

The spelling of 722728954 in words is "seven hundred twenty-two million, seven hundred twenty-eight thousand, nine hundred fifty-four".