3720478 has 8 divisors (see below), whose sum is σ = 5595840. Its totient is φ = 1855200.

The previous prime is 3720469. The next prime is 3720487. The reversal of 3720478 is 8740273.

3720478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3720469) and next prime (3720487).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518 + ... + 3121.

It is an arithmetic number, because the mean of its divisors is an integer number (699480).

Almost surely, 2^3720478 is an apocalyptic number.

3720478 is a deficient number, since it is larger than the sum of its proper divisors (1875362).

3720478 is a wasteful number, since it uses less digits than its factorization.

3720478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 3720478 is about 1928.8540639457. The cubic root of 3720478 is about 154.9528542010.

The spelling of 3720478 in words is "three million, seven hundred twenty thousand, four hundred seventy-eight".