63790073 has 2 divisors, whose sum is σ = 63790074. Its totient is φ = 63790072.

The previous prime is 63790061. The next prime is 63790081. The reversal of 63790073 is 37009736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63170704 + 619369 = 7948^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 63790073 - 2²² = 59595769 is a prime.

It is a super-3 number, since 3×63790073³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63790043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31895036 + 31895037.

It is an arithmetic number, because the mean of its divisors is an integer number (31895037).

Almost surely, 2^63790073 is an apocalyptic number.

It is an amenable number.

63790073 is a deficient number, since it is larger than the sum of its proper divisors (1).

63790073 is an equidigital number, since it uses as much as digits as its factorization.

63790073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 63790073 is about 7986.8687857007. The cubic root of 63790073 is about 399.5621730270.

The spelling of 63790073 in words is "sixty-three million, seven hundred ninety thousand, seventy-three".