3721929740 has 24 divisors (see below), whose sum is σ = 7817339040. Its totient is φ = 1488526848.

The previous prime is 3721929737. The next prime is 3721929787. The reversal of 3721929740 is 479291273.

It is a junction number, because it is equal to n+sod(n) for n = 3721929691 and 3721929700.

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, 155921 + ... + 178199.

It is an arithmetic number, because the mean of its divisors is an integer number (325722460).

Almost surely, 2^3721929740 is an apocalyptic number.

It is an amenable number.

3721929740 is an abundant number, since it is smaller than the sum of its proper divisors (4095409300).

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

3721929740 is a wasteful number, since it uses less digits than its factorization.

3721929740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30641 (or 30639 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 3721929740 is about 61007.6203436915. The cubic root of 3721929740 is about 1549.7300591305.

The spelling of 3721929740 in words is "three billion, seven hundred twenty-one million, nine hundred twenty-nine thousand, seven hundred forty".