3702491 has 4 divisors (see below), whose sum is σ = 3987312. Its totient is φ = 3417672.

The previous prime is 3702467. The next prime is 3702497. The reversal of 3702491 is 1942073.

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 3702491 - 2¹⁸ = 3440347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3702491.

It is not an unprimeable number, because it can be changed into a prime (3702497) 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, 142391 + ... + 142416.

It is an arithmetic number, because the mean of its divisors is an integer number (996828).

Almost surely, 2^3702491 is an apocalyptic number.

3702491 is a deficient number, since it is larger than the sum of its proper divisors (284821).

3702491 is a wasteful number, since it uses less digits than its factorization.

3702491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284820.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3702491 is about 1924.1858018393. The cubic root of 3702491 is about 154.7027393278.

The spelling of 3702491 in words is "three million, seven hundred two thousand, four hundred ninety-one".