3775731 has 8 divisors (see below), whose sum is σ = 5157264. Its totient is φ = 2455680.

The previous prime is 3775729. The next prime is 3775757. The reversal of 3775731 is 1375773.

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

It is not a de Polignac number, because 3775731 - 2¹ = 3775729 is a prime.

It is a super-2 number, since 2×3775731² = 28512289168722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

3775731 is a lucky number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3775692 and 3775701.

It is not an unprimeable number, because it can be changed into a prime (3775781) 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, 15226 + ... + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (644658).

Almost surely, 2^3775731 is an apocalyptic number.

3775731 is a deficient number, since it is larger than the sum of its proper divisors (1381533).

3775731 is a wasteful number, since it uses less digits than its factorization.

3775731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30741.

The product of its digits is 15435, while the sum is 33.

The square root of 3775731 is about 1943.1240310387. The cubic root of 3775731 is about 155.7161587504.

The spelling of 3775731 in words is "three million, seven hundred seventy-five thousand, seven hundred thirty-one".