3719629820 has 24 divisors (see below), whose sum is σ = 7977420864. Its totient is φ = 1456195136.

The previous prime is 3719629819. The next prime is 3719629841. The reversal of 3719629820 is 289269173.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 1977587 + ... + 1979466.

It is an arithmetic number, because the mean of its divisors is an integer number (332392536).

Almost surely, 2^3719629820 is an apocalyptic number.

It is an amenable number.

3719629820 is an abundant number, since it is smaller than the sum of its proper divisors (4257791044).

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

3719629820 is a wasteful number, since it uses less digits than its factorization.

3719629820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957109 (or 3957107 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 3719629820 is about 60988.7679823097. The cubic root of 3719629820 is about 1549.4107812450.

The spelling of 3719629820 in words is "three billion, seven hundred nineteen million, six hundred twenty-nine thousand, eight hundred twenty".