38457073 has 2 divisors, whose sum is σ = 38457074. Its totient is φ = 38457072.

The previous prime is 38457061. The next prime is 38457109. The reversal of 38457073 is 37075483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31550689 + 6906384 = 5617^2 + 2628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38457073 is a prime.

It is not a weakly prime, because it can be changed into another prime (38457673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19228536 + 19228537.

It is an arithmetic number, because the mean of its divisors is an integer number (19228537).

Almost surely, 2^38457073 is an apocalyptic number.

It is an amenable number.

38457073 is a deficient number, since it is larger than the sum of its proper divisors (1).

38457073 is an equidigital number, since it uses as much as digits as its factorization.

38457073 is an evil number, because the sum of its binary digits is even.

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

The square root of 38457073 is about 6201.3767019913. The cubic root of 38457073 is about 337.5401265505.

The spelling of 38457073 in words is "thirty-eight million, four hundred fifty-seven thousand, seventy-three".