38457071 has 4 divisors (see below), whose sum is σ = 38639544. Its totient is φ = 38274600.

The previous prime is 38457061. The next prime is 38457073. The reversal of 38457071 is 17075483.

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

It is a cyclic number.

It is not a de Polignac number, because 38457071 - 2¹⁴ = 38440687 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38457073) 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, 90920 + ... + 91341.

It is an arithmetic number, because the mean of its divisors is an integer number (9659886).

Almost surely, 2^38457071 is an apocalyptic number.

38457071 is a deficient number, since it is larger than the sum of its proper divisors (182473).

38457071 is a wasteful number, since it uses less digits than its factorization.

38457071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182472.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 38457071 is about 6201.3765407367. The cubic root of 38457071 is about 337.5401206991.

The spelling of 38457071 in words is "thirty-eight million, four hundred fifty-seven thousand, seventy-one".