3642718 has 16 divisors (see below), whose sum is σ = 5789520. Its totient is φ = 1714176.

The previous prime is 3642707. The next prime is 3642721. The reversal of 3642718 is 8172463.

It is a self number, because there is not a number n which added to its sum of digits gives 3642718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9580 + ... + 9952.

It is an arithmetic number, because the mean of its divisors is an integer number (361845).

Almost surely, 2^3642718 is an apocalyptic number.

3642718 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3642718 is a deficient number, since it is larger than the sum of its proper divisors (2146802).

3642718 is a wasteful number, since it uses less digits than its factorization.

3642718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

The product of its digits is 8064, while the sum is 31.

The square root of 3642718 is about 1908.5905794591. The cubic root of 3642718 is about 153.8657119110.

The spelling of 3642718 in words is "three million, six hundred forty-two thousand, seven hundred eighteen".