42374971 has 2 divisors, whose sum is σ = 42374972. Its totient is φ = 42374970.

The previous prime is 42374957. The next prime is 42374987. The reversal of 42374971 is 17947324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42374971 - 2²³ = 33986363 is a prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 42374971.

It is not a weakly prime, because it can be changed into another prime (42374911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21187485 + 21187486.

It is an arithmetic number, because the mean of its divisors is an integer number (21187486).

Almost surely, 2^42374971 is an apocalyptic number.

42374971 is a deficient number, since it is larger than the sum of its proper divisors (1).

42374971 is an equidigital number, since it uses as much as digits as its factorization.

42374971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 42374971 is about 6509.6060556688. The cubic root of 42374971 is about 348.6340529159.

The spelling of 42374971 in words is "forty-two million, three hundred seventy-four thousand, nine hundred seventy-one".