42626783 has 2 divisors, whose sum is σ = 42626784. Its totient is φ = 42626782.

The previous prime is 42626761. The next prime is 42626809. The reversal of 42626783 is 38762624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42626783 - 2⁸ = 42626527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42626083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21313391 + 21313392.

It is an arithmetic number, because the mean of its divisors is an integer number (21313392).

Almost surely, 2^42626783 is an apocalyptic number.

42626783 is a deficient number, since it is larger than the sum of its proper divisors (1).

42626783 is an equidigital number, since it uses as much as digits as its factorization.

42626783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 42626783 is about 6528.9189763697. The cubic root of 42626783 is about 349.3232719757.

The spelling of 42626783 in words is "forty-two million, six hundred twenty-six thousand, seven hundred eighty-three".