75242733 has 16 divisors (see below), whose sum is σ = 106201920. Its totient is φ = 47303424.

The previous prime is 75242701. The next prime is 75242753. The reversal of 75242733 is 33724257.

It is not a de Polignac number, because 75242733 - 2⁵ = 75242701 is a prime.

It is a super-2 number, since 2×75242733² = 11322937738618578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75242694 and 75242703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75242753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6316 + ... + 13797.

It is an arithmetic number, because the mean of its divisors is an integer number (6637620).

Almost surely, 2^75242733 is an apocalyptic number.

It is an amenable number.

75242733 is a deficient number, since it is larger than the sum of its proper divisors (30959187).

75242733 is a wasteful number, since it uses less digits than its factorization.

75242733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20188.

The product of its digits is 35280, while the sum is 33.

The square root of 75242733 is about 8674.2569134192. The cubic root of 75242733 is about 422.1707959244.

The spelling of 75242733 in words is "seventy-five million, two hundred forty-two thousand, seven hundred thirty-three".