42704371 has 2 divisors, whose sum is σ = 42704372. Its totient is φ = 42704370.

The previous prime is 42704369. The next prime is 42704383. The reversal of 42704371 is 17340724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42704371 - 2¹ = 42704369 is a prime.

Together with 42704369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42704351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21352185 + 21352186.

It is an arithmetic number, because the mean of its divisors is an integer number (21352186).

Almost surely, 2^42704371 is an apocalyptic number.

42704371 is a deficient number, since it is larger than the sum of its proper divisors (1).

42704371 is an equidigital number, since it uses as much as digits as its factorization.

42704371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 42704371 is about 6534.8581468919. The cubic root of 42704371 is about 349.5350861179.

The spelling of 42704371 in words is "forty-two million, seven hundred four thousand, three hundred seventy-one".