722547471 has 8 divisors (see below), whose sum is σ = 973328944. Its totient is φ = 476732160.

The previous prime is 722547467. The next prime is 722547493. The reversal of 722547471 is 174745227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 722547471 - 2² = 722547467 is a prime.

It is a super-3 number, since 3×722547471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722547451) 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, 1241200 + ... + 1241781.

It is an arithmetic number, because the mean of its divisors is an integer number (121666118).

Almost surely, 2^722547471 is an apocalyptic number.

722547471 is a deficient number, since it is larger than the sum of its proper divisors (250781473).

722547471 is a wasteful number, since it uses less digits than its factorization.

722547471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483081.

The product of its digits is 109760, while the sum is 39.

The square root of 722547471 is about 26880.2431350611. The cubic root of 722547471 is about 897.3367651341.

The spelling of 722547471 in words is "seven hundred twenty-two million, five hundred forty-seven thousand, four hundred seventy-one".