42099736 has 32 divisors (see below), whose sum is σ = 93127680. Its totient is φ = 17460000.

The previous prime is 42099727. The next prime is 42099737. The reversal of 42099736 is 63799024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42099737) 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, 10390 + ... + 13861.

It is an arithmetic number, because the mean of its divisors is an integer number (2910240).

Almost surely, 2^42099736 is an apocalyptic number.

It is an amenable number.

42099736 is an abundant number, since it is smaller than the sum of its proper divisors (51027944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42099736 is a wasteful number, since it uses less digits than its factorization.

42099736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24295 (or 24291 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 42099736 is about 6488.4309351337. The cubic root of 42099736 is about 347.8775938017.

The spelling of 42099736 in words is "forty-two million, ninety-nine thousand, seven hundred thirty-six".