42736516 has 12 divisors (see below), whose sum is σ = 75378688. Its totient is φ = 21199752.

The previous prime is 42736513. The next prime is 42736531. The reversal of 42736516 is 61563724.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42736513) 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, 41556 + ... + 42571.

Almost surely, 2^42736516 is an apocalyptic number.

It is an amenable number.

42736516 is a deficient number, since it is larger than the sum of its proper divisors (32642172).

42736516 is a wasteful number, since it uses less digits than its factorization.

42736516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84258 (or 84256 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 42736516 is about 6537.3171867365. The cubic root of 42736516 is about 349.6227663488.

The spelling of 42736516 in words is "forty-two million, seven hundred thirty-six thousand, five hundred sixteen".