3742818 has 8 divisors (see below), whose sum is σ = 7485648. Its totient is φ = 1247604.

The previous prime is 3742793. The next prime is 3742841. The reversal of 3742818 is 8182473.

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

3742818 is an admirable number.

It is a super-2 number, since 2×3742818² = 28017373162248, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311896 + ... + 311907.

It is an arithmetic number, because the mean of its divisors is an integer number (935706).

Almost surely, 2^3742818 is an apocalyptic number.

3742818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3742818 is a wasteful number, since it uses less digits than its factorization.

3742818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623808.

The product of its digits is 10752, while the sum is 33.

The square root of 3742818 is about 1934.6363999470. The cubic root of 3742818 is about 155.2623790503.

It can be divided in two parts, 3742 and 818, that added together give a triangular number (4560 = T₉₅).

The spelling of 3742818 in words is "three million, seven hundred forty-two thousand, eight hundred eighteen".