42479299 has 4 divisors (see below), whose sum is σ = 42855336. Its totient is φ = 42103264.

The previous prime is 42479291. The next prime is 42479309. The reversal of 42479299 is 99297424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42479299 - 2³ = 42479291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42479291) 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 3 ways as a sum of consecutive naturals, for example, 187849 + ... + 188074.

It is an arithmetic number, because the mean of its divisors is an integer number (10713834).

Almost surely, 2^42479299 is an apocalyptic number.

42479299 is a deficient number, since it is larger than the sum of its proper divisors (376037).

42479299 is a wasteful number, since it uses less digits than its factorization.

42479299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376036.

The product of its digits is 326592, while the sum is 46.

The square root of 42479299 is about 6517.6145175977. The cubic root of 42479299 is about 348.9199330287.

It can be divided in two parts, 42479 and 299, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42479299 in words is "forty-two million, four hundred seventy-nine thousand, two hundred ninety-nine".