3973073 has 4 divisors (see below), whose sum is σ = 4278708. Its totient is φ = 3667440.

The previous prime is 3973063. The next prime is 3973093. The reversal of 3973073 is 3703793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3703793 = 29 ⋅127717.

It can be written as a sum of positive squares in 2 ways, for example, as 543169 + 3429904 = 737^2 + 1852^2 .

It is a cyclic number.

It is not a de Polignac number, because 3973073 - 2⁶ = 3973009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3973063) 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, 152798 + ... + 152823.

It is an arithmetic number, because the mean of its divisors is an integer number (1069677).

Almost surely, 2^3973073 is an apocalyptic number.

It is an amenable number.

3973073 is a deficient number, since it is larger than the sum of its proper divisors (305635).

3973073 is a wasteful number, since it uses less digits than its factorization.

3973073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305634.

The product of its (nonzero) digits is 11907, while the sum is 32.

The square root of 3973073 is about 1993.2568825919. The cubic root of 3973073 is about 158.3831033443.

The spelling of 3973073 in words is "three million, nine hundred seventy-three thousand, seventy-three".