42941487 has 4 divisors (see below), whose sum is σ = 57255320. Its totient is φ = 28627656.

The previous prime is 42941471. The next prime is 42941513. The reversal of 42941487 is 78414924.

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

It is not a de Polignac number, because 42941487 - 2⁴ = 42941471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42941467) 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, 7156912 + ... + 7156917.

It is an arithmetic number, because the mean of its divisors is an integer number (14313830).

Almost surely, 2^42941487 is an apocalyptic number.

42941487 is a deficient number, since it is larger than the sum of its proper divisors (14313833).

42941487 is a wasteful number, since it uses less digits than its factorization.

42941487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14313832.

The product of its digits is 64512, while the sum is 39.

The square root of 42941487 is about 6552.9754310542. The cubic root of 42941487 is about 350.1808235702.

The spelling of 42941487 in words is "forty-two million, nine hundred forty-one thousand, four hundred eighty-seven".