3641730 has 32 divisors (see below), whose sum is σ = 9201600. Its totient is φ = 919872.

The previous prime is 3641707. The next prime is 3641731. The reversal of 3641730 is 371463.

It is a self number, because there is not a number n which added to its sum of digits gives 3641730.

It is not an unprimeable number, because it can be changed into a prime (3641731) 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, 2625 + ... + 3764.

It is an arithmetic number, because the mean of its divisors is an integer number (287550).

Almost surely, 2^3641730 is an apocalyptic number.

3641730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3641730 is an abundant number, since it is smaller than the sum of its proper divisors (5559870).

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

3641730 is a wasteful number, since it uses less digits than its factorization.

3641730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 3641730 is about 1908.3317321682. The cubic root of 3641730 is about 153.8517998569.

It can be divided in two parts, 3641 and 730, that added together give a triangular number (4371 = T₉₃).

The spelling of 3641730 in words is "three million, six hundred forty-one thousand, seven hundred thirty".