3640074330 has 32 divisors (see below), whose sum is σ = 8922057984. Its totient is φ = 950033216.

The previous prime is 3640074329. The next prime is 3640074331. The reversal of 3640074330 is 334700463.

3640074330 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3640074329) and next prime (3640074331).

It is a super-2 number, since 2×3640074330² = 26500282255849897800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3640074331) 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, 1289397 + ... + 1292216.

It is an arithmetic number, because the mean of its divisors is an integer number (278814312).

Almost surely, 2^3640074330 is an apocalyptic number.

3640074330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3640074330 is an abundant number, since it is smaller than the sum of its proper divisors (5281983654).

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

3640074330 is a wasteful number, since it uses less digits than its factorization.

3640074330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581670.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 3640074330 is about 60333.0285167254. The cubic root of 3640074330 is about 1538.2848068147.

Adding to 3640074330 its reverse (334700463), we get a palindrome (3974774793).

The spelling of 3640074330 in words is "three billion, six hundred forty million, seventy-four thousand, three hundred thirty".