3742247 has 8 divisors (see below), whose sum is σ = 3962640. Its totient is φ = 3528000.

The previous prime is 3742243. The next prime is 3742267. The reversal of 3742247 is 7422473.

3742247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3742247 - 2² = 3742243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254 + ... + 2747.

It is an arithmetic number, because the mean of its divisors is an integer number (495330).

Almost surely, 2^3742247 is an apocalyptic number.

3742247 is a deficient number, since it is larger than the sum of its proper divisors (220393).

3742247 is a wasteful number, since it uses less digits than its factorization.

3742247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its digits is 9408, while the sum is 29.

The square root of 3742247 is about 1934.4888213686. The cubic root of 3742247 is about 155.2544830989.

The spelling of 3742247 in words is "three million, seven hundred forty-two thousand, two hundred forty-seven".