7073731 has 8 divisors (see below), whose sum is σ = 8163584. Its totient is φ = 6003720.

The previous prime is 7073707. The next prime is 7073741. The reversal of 7073731 is 1373707.

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

It is a cyclic number.

It is not a de Polignac number, because 7073731 - 2⁵ = 7073699 is a prime.

It is a super-2 number, since 2×7073731² = 100075340520722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7073731.

It is not an unprimeable number, because it can be changed into a prime (7073701) 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, 4185 + ... + 5626.

It is an arithmetic number, because the mean of its divisors is an integer number (1020448).

Almost surely, 2^7073731 is an apocalyptic number.

7073731 is a deficient number, since it is larger than the sum of its proper divisors (1089853).

7073731 is a wasteful number, since it uses less digits than its factorization.

7073731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 7073731 is about 2659.6486610077. The cubic root of 7073731 is about 191.9624040247.

The spelling of 7073731 in words is "seven million, seventy-three thousand, seven hundred thirty-one".