3729478 has 4 divisors (see below), whose sum is σ = 5594220. Its totient is φ = 1864738.

The previous prime is 3729463. The next prime is 3729493. The reversal of 3729478 is 8749273.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3729463) and next prime (3729493).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3729478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 932368 + ... + 932371.

It is an arithmetic number, because the mean of its divisors is an integer number (1398555).

Almost surely, 2^3729478 is an apocalyptic number.

3729478 is a deficient number, since it is larger than the sum of its proper divisors (1864742).

3729478 is a wasteful number, since it uses less digits than its factorization.

3729478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864741.

The product of its digits is 84672, while the sum is 40.

The square root of 3729478 is about 1931.1856461770. The cubic root of 3729478 is about 155.0776995106.

The spelling of 3729478 in words is "three million, seven hundred twenty-nine thousand, four hundred seventy-eight".