42797542 has 16 divisors (see below), whose sum is σ = 66179520. Its totient is φ = 20746368.

The previous prime is 42797509. The next prime is 42797609. The reversal of 42797542 is 24579724.

It is a junction number, because it is equal to n+sod(n) for n = 42797495 and 42797504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8158 + ... + 12334.

It is an arithmetic number, because the mean of its divisors is an integer number (4136220).

Almost surely, 2^42797542 is an apocalyptic number.

42797542 is a deficient number, since it is larger than the sum of its proper divisors (23381978).

42797542 is a wasteful number, since it uses less digits than its factorization.

42797542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335.

The product of its digits is 141120, while the sum is 40.

The square root of 42797542 is about 6541.9830326897. The cubic root of 42797542 is about 349.7891028787.

It can be divided in two parts, 427 and 97542, that added together give a square (97969 = 313²).

The spelling of 42797542 in words is "forty-two million, seven hundred ninety-seven thousand, five hundred forty-two".