3750731 has 2 divisors, whose sum is σ = 3750732. Its totient is φ = 3750730.

The previous prime is 3750701. The next prime is 3750737. The reversal of 3750731 is 1370573.

It is a strong prime.

It is an emirp because it is prime and its reverse (1370573) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3750731 is a prime.

It is a super-2 number, since 2×3750731² = 28135966068722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3750731.

It is not a weakly prime, because it can be changed into another prime (3750737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875365 + 1875366.

It is an arithmetic number, because the mean of its divisors is an integer number (1875366).

Almost surely, 2^3750731 is an apocalyptic number.

3750731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3750731 is an equidigital number, since it uses as much as digits as its factorization.

3750731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 3750731 is about 1936.6804072949. The cubic root of 3750731 is about 155.3717196950.

The spelling of 3750731 in words is "three million, seven hundred fifty thousand, seven hundred thirty-one".