7631973 has 6 divisors (see below), whose sum is σ = 11023974. Its totient is φ = 5087976.

The previous prime is 7631971. The next prime is 7631999. The reversal of 7631973 is 3791367.

It can be written as a sum of positive squares in only one way, i.e., 7064964 + 567009 = 2658^2 + 753^2 .

It is not a de Polignac number, because 7631973 - 2¹ = 7631971 is a prime.

It is a super-3 number, since 3×7631973³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7631971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423990 + ... + 424007.

It is an arithmetic number, because the mean of its divisors is an integer number (1837329).

Almost surely, 2^7631973 is an apocalyptic number.

It is an amenable number.

7631973 is a deficient number, since it is larger than the sum of its proper divisors (3392001).

7631973 is a wasteful number, since it uses less digits than its factorization.

7631973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848003 (or 848000 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 7631973 is about 2762.6025772811. The cubic root of 7631973 is about 196.8848391152.

Subtracting from 7631973 its reverse (3791367), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 7631973 in words is "seven million, six hundred thirty-one thousand, nine hundred seventy-three".