42930279 has 24 divisors (see below), whose sum is σ = 71165952. Its totient is φ = 24428880.

The previous prime is 42930269. The next prime is 42930281. The reversal of 42930279 is 97203924.

It is not a de Polignac number, because 42930279 - 2⁴ = 42930263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42930269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15274 + ... + 17864.

It is an arithmetic number, because the mean of its divisors is an integer number (2965248).

Almost surely, 2^42930279 is an apocalyptic number.

42930279 is a deficient number, since it is larger than the sum of its proper divisors (28235673).

42930279 is a wasteful number, since it uses less digits than its factorization.

42930279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 42930279 is about 6552.1201912053. The cubic root of 42930279 is about 350.1503544485.

The spelling of 42930279 in words is "forty-two million, nine hundred thirty thousand, two hundred seventy-nine".