3702731 has 4 divisors (see below), whose sum is σ = 3706872. Its totient is φ = 3698592.

The previous prime is 3702697. The next prime is 3702757. The reversal of 3702731 is 1372073.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3702731 - 2¹⁰ = 3701707 is a prime.

It is a super-2 number, since 2×3702731² = 27420433716722, 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 = 3702697 and 3702706.

It is not an unprimeable number, because it can be changed into a prime (3702791) 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, 110 + ... + 2723.

It is an arithmetic number, because the mean of its divisors is an integer number (926718).

Almost surely, 2^3702731 is an apocalyptic number.

3702731 is a deficient number, since it is larger than the sum of its proper divisors (4141).

3702731 is a wasteful number, since it uses less digits than its factorization.

3702731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 3702731 is about 1924.2481648686. The cubic root of 3702731 is about 154.7060819292.

The spelling of 3702731 in words is "three million, seven hundred two thousand, seven hundred thirty-one".