42247753 has 8 divisors (see below), whose sum is σ = 43524936. Its totient is φ = 40982400.

The previous prime is 42247739. The next prime is 42247781. The reversal of 42247753 is 35774224.

It can be written as a sum of positive squares in 4 ways, for example, as 7767369 + 34480384 = 2787^2 + 5872^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42247753 - 2¹⁷ = 42116681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42247253) 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, 4575 + ... + 10267.

It is an arithmetic number, because the mean of its divisors is an integer number (5440617).

Almost surely, 2^42247753 is an apocalyptic number.

It is an amenable number.

42247753 is a deficient number, since it is larger than the sum of its proper divisors (1277183).

42247753 is a wasteful number, since it uses less digits than its factorization.

42247753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915.

The product of its digits is 47040, while the sum is 34.

The square root of 42247753 is about 6499.8271515480. The cubic root of 42247753 is about 348.2848138480.

The spelling of 42247753 in words is "forty-two million, two hundred forty-seven thousand, seven hundred fifty-three".