42620743 has 12 divisors (see below), whose sum is σ = 49075848. Its totient is φ = 36703440.

The previous prime is 42620741. The next prime is 42620759. The reversal of 42620743 is 34702624.

42620743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42620743 - 2¹ = 42620741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1396 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (4089654).

Almost surely, 2^42620743 is an apocalyptic number.

42620743 is a deficient number, since it is larger than the sum of its proper divisors (6455105).

42620743 is a wasteful number, since it uses less digits than its factorization.

42620743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782 (or 10763 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 42620743 is about 6528.4564025503. The cubic root of 42620743 is about 349.3067720815.

The spelling of 42620743 in words is "forty-two million, six hundred twenty thousand, seven hundred forty-three".