42306746 has 4 divisors (see below), whose sum is σ = 63460122. Its totient is φ = 21153372.

The previous prime is 42306731. The next prime is 42306757. The reversal of 42306746 is 64760324.

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

It can be written as a sum of positive squares in only one way, i.e., 28206721 + 14100025 = 5311^2 + 3755^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10576685 + ... + 10576688.

Almost surely, 2^42306746 is an apocalyptic number.

42306746 is a deficient number, since it is larger than the sum of its proper divisors (21153376).

42306746 is a wasteful number, since it uses less digits than its factorization.

42306746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21153375.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 42306746 is about 6504.3636122222. The cubic root of 42306746 is about 348.4468485805.

The spelling of 42306746 in words is "forty-two million, three hundred six thousand, seven hundred forty-six".