42750726 has 8 divisors (see below), whose sum is σ = 85501464. Its totient is φ = 14250240.

The previous prime is 42750709. The next prime is 42750731. The reversal of 42750726 is 62705724.

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

42750726 is an admirable number.

It is a congruent number.

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, 3562555 + ... + 3562566.

It is an arithmetic number, because the mean of its divisors is an integer number (10687683).

Almost surely, 2^42750726 is an apocalyptic number.

42750726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42750726 is a wasteful number, since it uses less digits than its factorization.

42750726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125126.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 42750726 is about 6538.4039336829. The cubic root of 42750726 is about 349.6615122071.

The spelling of 42750726 in words is "forty-two million, seven hundred fifty thousand, seven hundred twenty-six".