42759615 has 16 divisors (see below), whose sum is σ = 68544000. Its totient is φ = 22762272.

The previous prime is 42759611. The next prime is 42759623. The reversal of 42759615 is 51695724.

It is not a de Polignac number, because 42759615 - 2² = 42759611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42759611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6606 + ... + 11364.

It is an arithmetic number, because the mean of its divisors is an integer number (4284000).

Almost surely, 2^42759615 is an apocalyptic number.

42759615 is a deficient number, since it is larger than the sum of its proper divisors (25784385).

42759615 is a wasteful number, since it uses less digits than its factorization.

42759615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366.

The product of its digits is 75600, while the sum is 39.

The square root of 42759615 is about 6539.0836513995. The cubic root of 42759615 is about 349.6857451350.

The spelling of 42759615 in words is "forty-two million, seven hundred fifty-nine thousand, six hundred fifteen".