42079311 has 16 divisors (see below), whose sum is σ = 62949120. Its totient is φ = 27778680.

The previous prime is 42079277. The next prime is 42079313. The reversal of 42079311 is 11397024.

It is not a de Polignac number, because 42079311 - 2¹⁴ = 42062927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42079313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4785 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (3934320).

Almost surely, 2^42079311 is an apocalyptic number.

42079311 is a deficient number, since it is larger than the sum of its proper divisors (20869809).

42079311 is a wasteful number, since it uses less digits than its factorization.

42079311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15243 (or 15237 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 42079311 is about 6486.8567889233. The cubic root of 42079311 is about 347.8213262340.

The spelling of 42079311 in words is "forty-two million, seventy-nine thousand, three hundred eleven".