42767431 has 16 divisors (see below), whose sum is σ = 50783040. Its totient is φ = 35239680.

The previous prime is 42767429. The next prime is 42767441. The reversal of 42767431 is 13476724.

It is not a de Polignac number, because 42767431 - 2¹ = 42767429 is a prime.

It is a super-2 number, since 2×42767431² = 3658106308679522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42767401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92541 + ... + 93001.

It is an arithmetic number, because the mean of its divisors is an integer number (3173940).

Almost surely, 2^42767431 is an apocalyptic number.

42767431 is a deficient number, since it is larger than the sum of its proper divisors (8015609).

42767431 is a wasteful number, since it uses less digits than its factorization.

42767431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its digits is 28224, while the sum is 34.

The square root of 42767431 is about 6539.6812613460. The cubic root of 42767431 is about 349.7070501075.

The spelling of 42767431 in words is "forty-two million, seven hundred sixty-seven thousand, four hundred thirty-one".