9973719 has 32 divisors (see below), whose sum is σ = 17072640. Its totient is φ = 5636736.

The previous prime is 9973673. The next prime is 9973751. The reversal of 9973719 is 9173799.

It is not a de Polignac number, because 9973719 - 2⁷ = 9973591 is a prime.

It is a super-2 number, since 2×9973719² = 198950141381922, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

9973719 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21124 + ... + 21590.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^9973719 is an apocalyptic number.

9973719 is a deficient number, since it is larger than the sum of its proper divisors (7098921).

9973719 is a wasteful number, since it uses less digits than its factorization.

9973719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 590 counting only the distinct ones).

The product of its digits is 107163, while the sum is 45.

The square root of 9973719 is about 3158.1195354198. The cubic root of 9973719 is about 215.2545677623.

The spelling of 9973719 in words is "nine million, nine hundred seventy-three thousand, seven hundred nineteen".