38773013 has 4 divisors (see below), whose sum is σ = 38787660. Its totient is φ = 38758368.

The previous prime is 38772959. The next prime is 38773027. The reversal of 38773013 is 31037783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15665764 + 23107249 = 3958^2 + 4807^2 .

It is a cyclic number.

It is not a de Polignac number, because 38773013 - 2²⁰ = 37724437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38773043) 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, 2120 + ... + 9057.

It is an arithmetic number, because the mean of its divisors is an integer number (9696915).

Almost surely, 2^38773013 is an apocalyptic number.

It is an amenable number.

38773013 is a deficient number, since it is larger than the sum of its proper divisors (14647).

38773013 is a wasteful number, since it uses less digits than its factorization.

38773013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 38773013 is about 6226.7979732765. The cubic root of 38773013 is about 338.4619484539.

The spelling of 38773013 in words is "thirty-eight million, seven hundred seventy-three thousand, thirteen".