4073745 has 24 divisors (see below), whose sum is σ = 7062336. Its totient is φ = 2004288.

The previous prime is 4073731. The next prime is 4073747. The reversal of 4073745 is 5473704.

It is not a de Polignac number, because 4073745 - 2⁹ = 4073233 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4073747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1732 + ... + 3338.

It is an arithmetic number, because the mean of its divisors is an integer number (294264).

Almost surely, 2^4073745 is an apocalyptic number.

It is an amenable number.

4073745 is a deficient number, since it is larger than the sum of its proper divisors (2988591).

4073745 is a wasteful number, since it uses less digits than its factorization.

4073745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 4073745 is about 2018.3520505601. The cubic root of 4073745 is about 159.7096949413.

The spelling of 4073745 in words is "four million, seventy-three thousand, seven hundred forty-five".