7137973 has 8 divisors (see below), whose sum is σ = 7460280. Its totient is φ = 6820800.

The previous prime is 7137961. The next prime is 7137989. The reversal of 7137973 is 3797317.

It can be written as a sum of positive squares in 4 ways, for example, as 4848804 + 2289169 = 2202^2 + 1513^2 .

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

It is not a de Polignac number, because 7137973 - 2¹³ = 7129781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7137913) 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, 1711 + ... + 4147.

It is an arithmetic number, because the mean of its divisors is an integer number (932535).

Almost surely, 2^7137973 is an apocalyptic number.

It is an amenable number.

7137973 is a deficient number, since it is larger than the sum of its proper divisors (322307).

7137973 is a wasteful number, since it uses less digits than its factorization.

7137973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567.

The product of its digits is 27783, while the sum is 37.

The square root of 7137973 is about 2671.6985234117. The cubic root of 7137973 is about 192.5417731349.

The spelling of 7137973 in words is "seven million, one hundred thirty-seven thousand, nine hundred seventy-three".