42342799 has 2 divisors, whose sum is σ = 42342800. Its totient is φ = 42342798.

The previous prime is 42342761. The next prime is 42342803. The reversal of 42342799 is 99724324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42342799 - 2¹¹ = 42340751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42342749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171399 + 21171400.

It is an arithmetic number, because the mean of its divisors is an integer number (21171400).

Almost surely, 2^42342799 is an apocalyptic number.

42342799 is a deficient number, since it is larger than the sum of its proper divisors (1).

42342799 is an equidigital number, since it uses as much as digits as its factorization.

42342799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 42342799 is about 6507.1344691807. The cubic root of 42342799 is about 348.5458003915.

The spelling of 42342799 in words is "forty-two million, three hundred forty-two thousand, seven hundred ninety-nine".