42926971 has 4 divisors (see below), whose sum is σ = 44311744. Its totient is φ = 41542200.

The previous prime is 42926963. The next prime is 42926977. The reversal of 42926971 is 17962924.

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 42926971 - 2³ = 42926963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42926977) 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, 692340 + ... + 692401.

It is an arithmetic number, because the mean of its divisors is an integer number (11077936).

Almost surely, 2^42926971 is an apocalyptic number.

42926971 is a deficient number, since it is larger than the sum of its proper divisors (1384773).

42926971 is a wasteful number, since it uses less digits than its factorization.

42926971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384772.

The product of its digits is 54432, while the sum is 40.

The square root of 42926971 is about 6551.8677489705. The cubic root of 42926971 is about 350.1413605856.

The spelling of 42926971 in words is "forty-two million, nine hundred twenty-six thousand, nine hundred seventy-one".