3748719 has 16 divisors (see below), whose sum is σ = 5667200. Its totient is φ = 2185056.

The previous prime is 3748711. The next prime is 3748733. The reversal of 3748719 is 9178473.

It is not a de Polignac number, because 3748719 - 2³ = 3748711 is a prime.

It is a super-2 number, since 2×3748719² = 28105788281922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (354200).

Almost surely, 2^3748719 is an apocalyptic number.

3748719 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3748719 is a deficient number, since it is larger than the sum of its proper divisors (1918481).

3748719 is a wasteful number, since it uses less digits than its factorization.

3748719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094.

The product of its digits is 42336, while the sum is 39.

The square root of 3748719 is about 1936.1608920748. The cubic root of 3748719 is about 155.3439327726.

The spelling of 3748719 in words is "three million, seven hundred forty-eight thousand, seven hundred nineteen".