42392505 has 8 divisors (see below), whose sum is σ = 67828032. Its totient is φ = 22609328.

The previous prime is 42392501. The next prime is 42392507. The reversal of 42392505 is 50529324.

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

It is a cyclic number.

It is not a de Polignac number, because 42392505 - 2² = 42392501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42392501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413069 + ... + 1413098.

It is an arithmetic number, because the mean of its divisors is an integer number (8478504).

Almost surely, 2^42392505 is an apocalyptic number.

It is an amenable number.

42392505 is a deficient number, since it is larger than the sum of its proper divisors (25435527).

42392505 is a wasteful number, since it uses less digits than its factorization.

42392505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826175.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 42392505 is about 6510.9526952666. The cubic root of 42392505 is about 348.6821324496.

The spelling of 42392505 in words is "forty-two million, three hundred ninety-two thousand, five hundred five".