42926747 has 4 divisors (see below), whose sum is σ = 43409160. Its totient is φ = 42444336.

The previous prime is 42926743. The next prime is 42926749. The reversal of 42926747 is 74762924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42926747 - 2² = 42926743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42926743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241073 + ... + 241250.

It is an arithmetic number, because the mean of its divisors is an integer number (10852290).

Almost surely, 2^42926747 is an apocalyptic number.

42926747 is a deficient number, since it is larger than the sum of its proper divisors (482413).

42926747 is an equidigital number, since it uses as much as digits as its factorization.

42926747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482412.

The product of its digits is 169344, while the sum is 41.

The square root of 42926747 is about 6551.8506545861. The cubic root of 42926747 is about 350.1407515528.

The spelling of 42926747 in words is "forty-two million, nine hundred twenty-six thousand, seven hundred forty-seven".