42926746 has 4 divisors (see below), whose sum is σ = 64390122. Its totient is φ = 21463372.

The previous prime is 42926743. The next prime is 42926749. The reversal of 42926746 is 64762924.

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

It is an interprime number because it is at equal distance from previous prime (42926743) and next prime (42926749).

It can be written as a sum of positive squares in only one way, i.e., 24393721 + 18533025 = 4939^2 + 4305^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42926699 and 42926708.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10731685 + ... + 10731688.

Almost surely, 2^42926746 is an apocalyptic number.

42926746 is a deficient number, since it is larger than the sum of its proper divisors (21463376).

42926746 is a wasteful number, since it uses less digits than its factorization.

42926746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21463375.

The product of its digits is 145152, while the sum is 40.

The square root of 42926746 is about 6551.8505782718. The cubic root of 42926746 is about 350.1407488339.

The spelling of 42926746 in words is "forty-two million, nine hundred twenty-six thousand, seven hundred forty-six".