42306753 has 4 divisors (see below), whose sum is σ = 56409008. Its totient is φ = 28204500.

The previous prime is 42306731. The next prime is 42306757. The reversal of 42306753 is 35760324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42306753 - 2¹⁰ = 42305729 is a prime.

It is a super-2 number, since 2×42306753² = 3579722698806018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42306753.

It is not an unprimeable number, because it can be changed into a prime (42306757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7051123 + ... + 7051128.

It is an arithmetic number, because the mean of its divisors is an integer number (14102252).

Almost surely, 2^42306753 is an apocalyptic number.

It is an amenable number.

42306753 is a deficient number, since it is larger than the sum of its proper divisors (14102255).

42306753 is a wasteful number, since it uses less digits than its factorization.

42306753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14102254.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 42306753 is about 6504.3641503225. The cubic root of 42306753 is about 348.4468677983.

The spelling of 42306753 in words is "forty-two million, three hundred six thousand, seven hundred fifty-three".