4073731 has 2 divisors, whose sum is σ = 4073732. Its totient is φ = 4073730.

The previous prime is 4073711. The next prime is 4073747. The reversal of 4073731 is 1373704.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4073731 - 2¹⁵ = 4040963 is a prime.

It is a super-2 number, since 2×4073731² = 33190568520722, which contains 22 as substring.

4073731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4073696 and 4073705.

It is not a weakly prime, because it can be changed into another prime (4073701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036865 + 2036866.

It is an arithmetic number, because the mean of its divisors is an integer number (2036866).

Almost surely, 2^4073731 is an apocalyptic number.

4073731 is a deficient number, since it is larger than the sum of its proper divisors (1).

4073731 is an equidigital number, since it uses as much as digits as its factorization.

4073731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 4073731 is about 2018.3485823812. The cubic root of 4073731 is about 159.7095119861.

The spelling of 4073731 in words is "four million, seventy-three thousand, seven hundred thirty-one".