42940147 has 8 divisors (see below), whose sum is σ = 45523296. Its totient is φ = 40363392.

The previous prime is 42940111. The next prime is 42940153. The reversal of 42940147 is 74104924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42940147 - 2¹¹ = 42938099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42941147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25413 + ... + 27049.

It is an arithmetic number, because the mean of its divisors is an integer number (5690412).

Almost surely, 2^42940147 is an apocalyptic number.

42940147 is a deficient number, since it is larger than the sum of its proper divisors (2583149).

42940147 is a wasteful number, since it uses less digits than its factorization.

42940147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 42940147 is about 6552.8731866258. The cubic root of 42940147 is about 350.1771810385.

The spelling of 42940147 in words is "forty-two million, nine hundred forty thousand, one hundred forty-seven".