722475 has 54 divisors (see below), whose sum is σ = 1474980. Its totient is φ = 336960.

The previous prime is 722467. The next prime is 722479. The reversal of 722475 is 574227.

It is not a de Polignac number, because 722475 - 2³ = 722467 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 2³ + 4 + 2¹⁹ + 7⁶ + 5⁷ .

Its product of digits (3920) is a multiple of the sum of its prime divisors (40).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (722479) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 38016 + ... + 38034.

2⁷²²⁴⁷⁵ is an apocalyptic number.

722475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

722475 is an abundant number, since it is smaller than the sum of its proper divisors (752505).

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

722475 is a wasteful number, since it uses less digits than its factorization.

722475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 40 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 722475 is about 849.9852939904. The cubic root of 722475 is about 89.7306763384.

The spelling of 722475 in words is "seven hundred twenty-two thousand, four hundred seventy-five".