75786242 has 24 divisors (see below), whose sum is σ = 137992896. Its totient is φ = 31066728.

The previous prime is 75786239. The next prime is 75786287. The reversal of 75786242 is 24268757.

It is a self number, because there is not a number n which added to its sum of digits gives 75786242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14558 + ... + 19065.

It is an arithmetic number, because the mean of its divisors is an integer number (5749704).

Almost surely, 2^75786242 is an apocalyptic number.

75786242 is a deficient number, since it is larger than the sum of its proper divisors (62206654).

75786242 is a wasteful number, since it uses less digits than its factorization.

75786242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33662 (or 33655 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 75786242 is about 8705.5293922886. The cubic root of 75786242 is about 423.1848622020.

The spelling of 75786242 in words is "seventy-five million, seven hundred eighty-six thousand, two hundred forty-two".