3742815 has 8 divisors (see below), whose sum is σ = 5988528. Its totient is φ = 1996160.

The previous prime is 3742793. The next prime is 3742841. The reversal of 3742815 is 5182473.

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

It is not a de Polignac number, because 3742815 - 2¹¹ = 3740767 is a prime.

It is a super-3 number, since 3×3742815³ (a number of 21 digits) contains 333 as substring.

3742815 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124746 + ... + 124775.

It is an arithmetic number, because the mean of its divisors is an integer number (748566).

Almost surely, 2^3742815 is an apocalyptic number.

3742815 is a deficient number, since it is larger than the sum of its proper divisors (2245713).

3742815 is a wasteful number, since it uses less digits than its factorization.

3742815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249529.

The product of its digits is 6720, while the sum is 30.

The square root of 3742815 is about 1934.6356246074. The cubic root of 3742815 is about 155.2623375675.

The spelling of 3742815 in words is "three million, seven hundred forty-two thousand, eight hundred fifteen".