38745073 has 4 divisors (see below), whose sum is σ = 40081140. Its totient is φ = 37409008.

The previous prime is 38745059. The next prime is 38745089. The reversal of 38745073 is 37054783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37054783 = 2671 ⋅13873.

It can be written as a sum of positive squares in 2 ways, for example, as 30724849 + 8020224 = 5543^2 + 2832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38745073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38745013) 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, 667990 + ... + 668047.

It is an arithmetic number, because the mean of its divisors is an integer number (10020285).

Almost surely, 2^38745073 is an apocalyptic number.

It is an amenable number.

38745073 is a deficient number, since it is larger than the sum of its proper divisors (1336067).

38745073 is a wasteful number, since it uses less digits than its factorization.

38745073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336066.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 38745073 is about 6224.5540402506. The cubic root of 38745073 is about 338.3806298725.

The spelling of 38745073 in words is "thirty-eight million, seven hundred forty-five thousand, seventy-three".