42744607 has 2 divisors, whose sum is σ = 42744608. Its totient is φ = 42744606.

The previous prime is 42744599. The next prime is 42744641. The reversal of 42744607 is 70644724.

It is an a-pointer prime, because the next prime (42744641) can be obtained adding 42744607 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42744607 - 2³ = 42744599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42744697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21372303 + 21372304.

It is an arithmetic number, because the mean of its divisors is an integer number (21372304).

Almost surely, 2^42744607 is an apocalyptic number.

42744607 is a deficient number, since it is larger than the sum of its proper divisors (1).

42744607 is an equidigital number, since it uses as much as digits as its factorization.

42744607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 42744607 is about 6537.9359892859. The cubic root of 42744607 is about 349.6448288188.

The spelling of 42744607 in words is "forty-two million, seven hundred forty-four thousand, six hundred seven".