42759407 has 2 divisors, whose sum is σ = 42759408. Its totient is φ = 42759406.

The previous prime is 42759401. The next prime is 42759469. The reversal of 42759407 is 70495724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42759407 - 2⁸ = 42759151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42759401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21379703 + 21379704.

It is an arithmetic number, because the mean of its divisors is an integer number (21379704).

Almost surely, 2^42759407 is an apocalyptic number.

42759407 is a deficient number, since it is larger than the sum of its proper divisors (1).

42759407 is an equidigital number, since it uses as much as digits as its factorization.

42759407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 42759407 is about 6539.0677470110. The cubic root of 42759407 is about 349.6851781299.

The spelling of 42759407 in words is "forty-two million, seven hundred fifty-nine thousand, four hundred seven".