42450756 has 12 divisors (see below), whose sum is σ = 99051792. Its totient is φ = 14150248.

The previous prime is 42450743. The next prime is 42450773. The reversal of 42450756 is 65705424.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768770 + ... + 1768793.

It is an arithmetic number, because the mean of its divisors is an integer number (8254316).

Almost surely, 2^42450756 is an apocalyptic number.

It is an amenable number.

42450756 is an abundant number, since it is smaller than the sum of its proper divisors (56601036).

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

42450756 is a wasteful number, since it uses less digits than its factorization.

42450756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537570 (or 3537568 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 42450756 is about 6515.4244681371. The cubic root of 42450756 is about 348.8417659109.

The spelling of 42450756 in words is "forty-two million, four hundred fifty thousand, seven hundred fifty-six".