42044707 has 2 divisors, whose sum is σ = 42044708. Its totient is φ = 42044706.

The previous prime is 42044699. The next prime is 42044731. The reversal of 42044707 is 70744024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42044707 - 2³ = 42044699 is a prime.

It is not a weakly prime, because it can be changed into another prime (42044767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21022353 + 21022354.

It is an arithmetic number, because the mean of its divisors is an integer number (21022354).

Almost surely, 2^42044707 is an apocalyptic number.

42044707 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044707 is an equidigital number, since it uses as much as digits as its factorization.

42044707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 42044707 is about 6484.1890009468. The cubic root of 42044707 is about 347.7259562475.

It can be divided in two parts, 4204 and 4707, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 42044707 in words is "forty-two million, forty-four thousand, seven hundred seven".