3749247 has 28 divisors (see below), whose sum is σ = 5814760. Its totient is φ = 2414448.

The previous prime is 3749219. The next prime is 3749257. The reversal of 3749247 is 7429473.

It is not a de Polignac number, because 3749247 - 2⁶ = 3749183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749257) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26904 + ... + 27042.

It is an arithmetic number, because the mean of its divisors is an integer number (207670).

Almost surely, 2^3749247 is an apocalyptic number.

3749247 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3749247 is a deficient number, since it is larger than the sum of its proper divisors (2065513).

3749247 is an equidigital number, since it uses as much as digits as its factorization.

3749247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 179 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 3749247 is about 1936.2972395787. The cubic root of 3749247 is about 155.3512257301.

It can be divided in two parts, 37 and 49247, that added together give a square (49284 = 222²).

The spelling of 3749247 in words is "three million, seven hundred forty-nine thousand, two hundred forty-seven".