42879454 has 8 divisors (see below), whose sum is σ = 64460088. Its totient is φ = 21392760.

The previous prime is 42879451. The next prime is 42879461. The reversal of 42879454 is 45497824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42879454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42879451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22332 + ... + 24175.

It is an arithmetic number, because the mean of its divisors is an integer number (8057511).

Almost surely, 2^42879454 is an apocalyptic number.

42879454 is a deficient number, since it is larger than the sum of its proper divisors (21580634).

42879454 is a wasteful number, since it uses less digits than its factorization.

42879454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46970.

The product of its digits is 322560, while the sum is 43.

The square root of 42879454 is about 6548.2405270424. The cubic root of 42879454 is about 350.0121193082.

The spelling of 42879454 in words is "forty-two million, eight hundred seventy-nine thousand, four hundred fifty-four".