42747250 has 64 divisors (see below), whose sum is σ = 98542080. Its totient is φ = 13521600.

The previous prime is 42747223. The next prime is 42747253. The reversal of 42747250 is 5274724.

It is not an unprimeable number, because it can be changed into a prime (42747253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 21811 + ... + 23689.

It is an arithmetic number, because the mean of its divisors is an integer number (1539720).

Almost surely, 2^42747250 is an apocalyptic number.

42747250 is an abundant number, since it is smaller than the sum of its proper divisors (55794830).

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

42747250 is a wasteful number, since it uses less digits than its factorization.

42747250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 42747250 is about 6538.1381141729. The cubic root of 42747250 is about 349.6520351254.

The spelling of 42747250 in words is "forty-two million, seven hundred forty-seven thousand, two hundred fifty".