42515674 has 8 divisors (see below), whose sum is σ = 67524948. Its totient is φ = 20007360.

The previous prime is 42515639. The next prime is 42515713. The reversal of 42515674 is 47651524.

42515674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36300625 + 6215049 = 6025^2 + 2493^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1250461 = 42515674 / (4 + 2 + 5 + 1 + 5 + 6 + 7 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625197 + ... + 625264.

Almost surely, 2^42515674 is an apocalyptic number.

42515674 is a deficient number, since it is larger than the sum of its proper divisors (25009274).

42515674 is a wasteful number, since it uses less digits than its factorization.

42515674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250480.

The product of its digits is 33600, while the sum is 34.

The square root of 42515674 is about 6520.4044353092. The cubic root of 42515674 is about 349.0194979296.

The spelling of 42515674 in words is "forty-two million, five hundred fifteen thousand, six hundred seventy-four".