42037147 has 4 divisors (see below), whose sum is σ = 43393216. Its totient is φ = 40681080.

The previous prime is 42037133. The next prime is 42037157. The reversal of 42037147 is 74173024.

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 42037147 - 2⁷ = 42037019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42037157) 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, 677988 + ... + 678049.

It is an arithmetic number, because the mean of its divisors is an integer number (10848304).

Almost surely, 2^42037147 is an apocalyptic number.

42037147 is a deficient number, since it is larger than the sum of its proper divisors (1356069).

42037147 is a wasteful number, since it uses less digits than its factorization.

42037147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356068.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 42037147 is about 6483.6060182587. The cubic root of 42037147 is about 347.7051136255.

The spelling of 42037147 in words is "forty-two million, thirty-seven thousand, one hundred forty-seven".