3709473 has 4 divisors (see below), whose sum is σ = 4945968. Its totient is φ = 2472980.

The previous prime is 3709457. The next prime is 3709487. The reversal of 3709473 is 3749073.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3749073 = 3 ⋅1249691.

It is a cyclic number.

It is not a de Polignac number, because 3709473 - 2⁴ = 3709457 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3709403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618243 + ... + 618248.

It is an arithmetic number, because the mean of its divisors is an integer number (1236492).

Almost surely, 2^3709473 is an apocalyptic number.

It is an amenable number.

3709473 is a deficient number, since it is larger than the sum of its proper divisors (1236495).

3709473 is a wasteful number, since it uses less digits than its factorization.

3709473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236494.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 3709473 is about 1925.9992211836. Note that the first 3 decimals coincide. The cubic root of 3709473 is about 154.7999222135.

The spelling of 3709473 in words is "three million, seven hundred nine thousand, four hundred seventy-three".