3774345 has 8 divisors (see below), whose sum is σ = 6038976. Its totient is φ = 2012976.

The previous prime is 3774307. The next prime is 3774347. The reversal of 3774345 is 5434773.

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

It is not a de Polignac number, because 3774345 - 2¹⁰ = 3773321 is a prime.

3774345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3774347) 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, 125797 + ... + 125826.

It is an arithmetic number, because the mean of its divisors is an integer number (754872).

Almost surely, 2^3774345 is an apocalyptic number.

It is an amenable number.

3774345 is a deficient number, since it is larger than the sum of its proper divisors (2264631).

3774345 is a wasteful number, since it uses less digits than its factorization.

3774345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251631.

The product of its digits is 35280, while the sum is 33.

The square root of 3774345 is about 1942.7673561186. The cubic root of 3774345 is about 155.6971029252.

Adding to 3774345 its sum of digits (33), we get a triangular number (3774378 = T₂₇₄₇).

The spelling of 3774345 in words is "three million, seven hundred seventy-four thousand, three hundred forty-five".