634023073 has 2 divisors, whose sum is σ = 634023074. Its totient is φ = 634023072.

The previous prime is 634023059. The next prime is 634023127. The reversal of 634023073 is 370320436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541632529 + 92390544 = 23273^2 + 9612^2 .

It is a cyclic number.

It is not a de Polignac number, because 634023073 - 2¹⁷ = 633892001 is a prime.

It is not a weakly prime, because it can be changed into another prime (634023023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317011536 + 317011537.

It is an arithmetic number, because the mean of its divisors is an integer number (317011537).

Almost surely, 2^634023073 is an apocalyptic number.

It is an amenable number.

634023073 is a deficient number, since it is larger than the sum of its proper divisors (1).

634023073 is an equidigital number, since it uses as much as digits as its factorization.

634023073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 634023073 is about 25179.8147928058. The cubic root of 634023073 is about 859.0827939891.

The spelling of 634023073 in words is "six hundred thirty-four million, twenty-three thousand, seventy-three".