38704973 has 4 divisors (see below), whose sum is σ = 38749788. Its totient is φ = 38660160.

The previous prime is 38704969. The next prime is 38704979. The reversal of 38704973 is 37940783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37940783 = 521 ⋅72823.

It can be written as a sum of positive squares in 2 ways, for example, as 3694084 + 35010889 = 1922^2 + 5917^2 .

It is a cyclic number.

It is not a de Polignac number, because 38704973 - 2² = 38704969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38704973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38704979) 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, 21086 + ... + 22847.

It is an arithmetic number, because the mean of its divisors is an integer number (9687447).

Almost surely, 2^38704973 is an apocalyptic number.

It is an amenable number.

38704973 is a deficient number, since it is larger than the sum of its proper divisors (44815).

38704973 is an equidigital number, since it uses as much as digits as its factorization.

38704973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44814.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 38704973 is about 6221.3320920845. The cubic root of 38704973 is about 338.2638516080.

The spelling of 38704973 in words is "thirty-eight million, seven hundred four thousand, nine hundred seventy-three".