4080731 has 4 divisors (see below), whose sum is σ = 4320792. Its totient is φ = 3840672.

The previous prime is 4080719. The next prime is 4080737. The reversal of 4080731 is 1370804.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4080731 - 2¹⁰ = 4079707 is a prime.

It is a super-2 number, since 2×4080731² = 33304730988722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4080697 and 4080706.

It is not an unprimeable number, because it can be changed into a prime (4080737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120005 + ... + 120038.

It is an arithmetic number, because the mean of its divisors is an integer number (1080198).

Almost surely, 2^4080731 is an apocalyptic number.

4080731 is a deficient number, since it is larger than the sum of its proper divisors (240061).

4080731 is a wasteful number, since it uses less digits than its factorization.

4080731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240060.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 4080731 is about 2020.0819290316. The cubic root of 4080731 is about 159.8009373364.

The spelling of 4080731 in words is "four million, eighty thousand, seven hundred thirty-one".