42076997 has 2 divisors, whose sum is σ = 42076998. Its totient is φ = 42076996.

The previous prime is 42076939. The next prime is 42077003. The reversal of 42076997 is 79967024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39513796 + 2563201 = 6286^2 + 1601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42076997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42076927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21038498 + 21038499.

It is an arithmetic number, because the mean of its divisors is an integer number (21038499).

Almost surely, 2^42076997 is an apocalyptic number.

It is an amenable number.

42076997 is a deficient number, since it is larger than the sum of its proper divisors (1).

42076997 is an equidigital number, since it uses as much as digits as its factorization.

42076997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 42076997 is about 6486.6784258201. The cubic root of 42076997 is about 347.8149503905.

The spelling of 42076997 in words is "forty-two million, seventy-six thousand, nine hundred ninety-seven".