42972741 has 32 divisors (see below), whose sum is σ = 73113600. Its totient is φ = 24436080.

The previous prime is 42972707. The next prime is 42972749. The reversal of 42972741 is 14727924.

It is not a de Polignac number, because 42972741 - 2⁷ = 42972613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42972696 and 42972705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42972749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50800 + ... + 51638.

It is an arithmetic number, because the mean of its divisors is an integer number (2284800).

Almost surely, 2^42972741 is an apocalyptic number.

It is an amenable number.

42972741 is a deficient number, since it is larger than the sum of its proper divisors (30140859).

42972741 is a wasteful number, since it uses less digits than its factorization.

42972741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1120 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 42972741 is about 6555.3597155305. The cubic root of 42972741 is about 350.2657600582.

The spelling of 42972741 in words is "forty-two million, nine hundred seventy-two thousand, seven hundred forty-one".