3729420 has 36 divisors (see below), whose sum is σ = 11313120. Its totient is φ = 994464.

The previous prime is 3729419. The next prime is 3729437. The reversal of 3729420 is 249273.

3729420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10180 + ... + 10539.

Almost surely, 2^3729420 is an apocalyptic number.

3729420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3729420 is an abundant number, since it is smaller than the sum of its proper divisors (7583700).

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

3729420 is a wasteful number, since it uses less digits than its factorization.

3729420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20734 (or 20729 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3729420 is about 1931.1706294370. The cubic root of 3729420 is about 155.0768955953.

The spelling of 3729420 in words is "three million, seven hundred twenty-nine thousand, four hundred twenty".