3721469994 has 40 divisors (see below), whose sum is σ = 9096931008. Its totient is φ = 1127717640.

The previous prime is 3721469987. The next prime is 3721470121. The reversal of 3721469994 is 4999641273.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3721469994.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1042402 + ... + 1045965.

Almost surely, 2^3721469994 is an apocalyptic number.

3721469994 is an abundant number, since it is smaller than the sum of its proper divisors (5375461014).

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

3721469994 is a wasteful number, since it uses less digits than its factorization.

3721469994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088392 (or 2088383 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 3721469994 is about 61003.8522881957. The cubic root of 3721469994 is about 1549.6662471133. Note that the first 3 decimals are identical.

The spelling of 3721469994 in words is "three billion, seven hundred twenty-one million, four hundred sixty-nine thousand, nine hundred ninety-four".