42744036 has 24 divisors (see below), whose sum is σ = 99842400. Its totient is φ = 14232832.

The previous prime is 42744019. The next prime is 42744049. The reversal of 42744036 is 63044724.

It is a super-2 number, since 2×42744036² = 3654105227138592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42743994 and 42744012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19315 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (4160100).

Almost surely, 2^42744036 is an apocalyptic number.

It is an amenable number.

42744036 is an abundant number, since it is smaller than the sum of its proper divisors (57098364).

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

42744036 is a wasteful number, since it uses less digits than its factorization.

42744036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 42744036 is about 6537.8923209242. The cubic root of 42744036 is about 349.6432719122.

The spelling of 42744036 in words is "forty-two million, seven hundred forty-four thousand, thirty-six".