3750691 has 8 divisors (see below), whose sum is σ = 4321280. Its totient is φ = 3188808.

The previous prime is 3750631. The next prime is 3750697. The reversal of 3750691 is 1960573.

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

It is not a de Polignac number, because 3750691 - 2⁷ = 3750563 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3750697) 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, 1221 + ... + 2998.

It is an arithmetic number, because the mean of its divisors is an integer number (540160).

Almost surely, 2^3750691 is an apocalyptic number.

3750691 is a deficient number, since it is larger than the sum of its proper divisors (570589).

3750691 is a wasteful number, since it uses less digits than its factorization.

3750691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 3750691 is about 1936.6700803183. The cubic root of 3750691 is about 155.3711673679.

The spelling of 3750691 in words is "three million, seven hundred fifty thousand, six hundred ninety-one".