42597673 has 2 divisors, whose sum is σ = 42597674. Its totient is φ = 42597672.

The previous prime is 42597661. The next prime is 42597691. The reversal of 42597673 is 37679524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39400729 + 3196944 = 6277^2 + 1788^2 .

It is a cyclic number.

It is not a de Polignac number, because 42597673 - 2⁵ = 42597641 is a prime.

It is not a weakly prime, because it can be changed into another prime (42597613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21298836 + 21298837.

It is an arithmetic number, because the mean of its divisors is an integer number (21298837).

Almost surely, 2^42597673 is an apocalyptic number.

It is an amenable number.

42597673 is a deficient number, since it is larger than the sum of its proper divisors (1).

42597673 is an equidigital number, since it uses as much as digits as its factorization.

42597673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 42597673 is about 6526.6892832431. The cubic root of 42597673 is about 349.2437357828.

The spelling of 42597673 in words is "forty-two million, five hundred ninety-seven thousand, six hundred seventy-three".