42357279 has 16 divisors (see below), whose sum is σ = 58379904. Its totient is φ = 27300000.

The previous prime is 42357277. The next prime is 42357311. The reversal of 42357279 is 97275324.

It is not a de Polignac number, because 42357279 - 2¹ = 42357277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42357277) 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, 11404 + ... + 14654.

It is an arithmetic number, because the mean of its divisors is an integer number (3648744).

Almost surely, 2^42357279 is an apocalyptic number.

42357279 is a deficient number, since it is larger than the sum of its proper divisors (16022625).

42357279 is a wasteful number, since it uses less digits than its factorization.

42357279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398.

The product of its digits is 105840, while the sum is 39.

The square root of 42357279 is about 6508.2469990006. The cubic root of 42357279 is about 348.5855266898.

The spelling of 42357279 in words is "forty-two million, three hundred fifty-seven thousand, two hundred seventy-nine".