3675950820 has 36 divisors (see below), whose sum is σ = 11150384700. Its totient is φ = 980253504.

The previous prime is 3675950807. The next prime is 3675950849. The reversal of 3675950820 is 280595763.

It is a happy number.

3675950820 is a `hidden beast` number, since 36 + 7 + 595 + 0 + 8 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2714826816 + 961124004 = 52104^2 + 31002^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3675950820² = 27025228862117344800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10210795 + ... + 10211154.

Almost surely, 2^3675950820 is an apocalyptic number.

3675950820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3675950820 is an abundant number, since it is smaller than the sum of its proper divisors (7474433880).

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

3675950820 is a wasteful number, since it uses less digits than its factorization.

3675950820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20421964 (or 20421959 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 3675950820 is about 60629.6199889130. The cubic root of 3675950820 is about 1543.3220605805.

The spelling of 3675950820 in words is "three billion, six hundred seventy-five million, nine hundred fifty thousand, eight hundred twenty".