3372749 has 4 divisors (see below), whose sum is σ = 3571164. Its totient is φ = 3174336.

The previous prime is 3372737. The next prime is 3372757. The reversal of 3372749 is 9472733.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9472733 = 337 ⋅28109.

It can be written as a sum of positive squares in 2 ways, for example, as 1643524 + 1729225 = 1282^2 + 1315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3372749 is a prime.

It is a super-2 number, since 2×3372749² = 22750871634002, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁵ + 3¹³ + 7⁷ + 2¹⁷ + 7⁷ + 4² + 9 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3372779) 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, 99182 + ... + 99215.

It is an arithmetic number, because the mean of its divisors is an integer number (892791).

Almost surely, 2^3372749 is an apocalyptic number.

It is an amenable number.

3372749 is a deficient number, since it is larger than the sum of its proper divisors (198415).

3372749 is a wasteful number, since it uses less digits than its factorization.

3372749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198414.

The product of its digits is 31752, while the sum is 35.

The square root of 3372749 is about 1836.5045602993. The cubic root of 3372749 is about 149.9666444351.

It can be divided in two parts, 3372 and 749, that multiplied together give a triangular number (2525628 = T₂₂₄₇).

The spelling of 3372749 in words is "three million, three hundred seventy-two thousand, seven hundred forty-nine".