42912741 has 4 divisors (see below), whose sum is σ = 57216992. Its totient is φ = 28608492.

The previous prime is 42912719. The next prime is 42912769. The reversal of 42912741 is 14721924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42912741 - 2⁶ = 42912677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42912699 and 42912708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42912791) 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, 7152121 + ... + 7152126.

It is an arithmetic number, because the mean of its divisors is an integer number (14304248).

Almost surely, 2^42912741 is an apocalyptic number.

It is an amenable number.

42912741 is a deficient number, since it is larger than the sum of its proper divisors (14304251).

42912741 is a wasteful number, since it uses less digits than its factorization.

42912741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304250.

The product of its digits is 4032, while the sum is 30.

The square root of 42912741 is about 6550.7817090787. The cubic root of 42912741 is about 350.1026664802.

The spelling of 42912741 in words is "forty-two million, nine hundred twelve thousand, seven hundred forty-one".