42347799 has 64 divisors (see below), whose sum is σ = 73543680. Its totient is φ = 23846400.

The previous prime is 42347791. The next prime is 42347803. The reversal of 42347799 is 99774324.

It is not a de Polignac number, because 42347799 - 2³ = 42347791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42347791) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 280374 + ... + 280524.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^42347799 is an apocalyptic number.

42347799 is a deficient number, since it is larger than the sum of its proper divisors (31195881).

42347799 is a wasteful number, since it uses less digits than its factorization.

42347799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 42347799 is about 6507.5186515292. The cubic root of 42347799 is about 348.5595190595.

The spelling of 42347799 in words is "forty-two million, three hundred forty-seven thousand, seven hundred ninety-nine".