42279607 has 4 divisors (see below), whose sum is σ = 42424200. Its totient is φ = 42135016.

The previous prime is 42279599. The next prime is 42279631. The reversal of 42279607 is 70697224.

It is a happy number.

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 42279607 - 2³ = 42279599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42279647) 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, 71857 + ... + 72442.

It is an arithmetic number, because the mean of its divisors is an integer number (10606050).

Almost surely, 2^42279607 is an apocalyptic number.

42279607 is a deficient number, since it is larger than the sum of its proper divisors (144593).

42279607 is a wasteful number, since it uses less digits than its factorization.

42279607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144592.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 42279607 is about 6502.2770626912. The cubic root of 42279607 is about 348.3723252267.

The spelling of 42279607 in words is "forty-two million, two hundred seventy-nine thousand, six hundred seven".