722473983 has 36 divisors (see below), whose sum is σ = 1324321128. Its totient is φ = 375308640.

The previous prime is 722473981. The next prime is 722474009. The reversal of 722473983 is 389374227.

It is not a de Polignac number, because 722473983 - 2¹ = 722473981 is a prime.

It is a super-2 number, since 2×722473983² = 1043937312223768578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722473981) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69616 + ... + 79317.

It is an arithmetic number, because the mean of its divisors is an integer number (36786698).

Almost surely, 2^722473983 is an apocalyptic number.

722473983 is a deficient number, since it is larger than the sum of its proper divisors (601847145).

722473983 is a wasteful number, since it uses less digits than its factorization.

722473983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148964 (or 148954 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 722473983 is about 26878.8761483809. The cubic root of 722473983 is about 897.3063423487.

The spelling of 722473983 in words is "seven hundred twenty-two million, four hundred seventy-three thousand, nine hundred eighty-three".