75745436 has 12 divisors (see below), whose sum is σ = 142751112. Its totient is φ = 34959408.

The previous prime is 75745433. The next prime is 75745441. The reversal of 75745436 is 63454757.

It is a junction number, because it is equal to n+sod(n) for n = 75745393 and 75745402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75745433) 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 3 ways as a sum of consecutive naturals, for example, 728270 + ... + 728373.

It is an arithmetic number, because the mean of its divisors is an integer number (11895926).

Almost surely, 2^75745436 is an apocalyptic number.

It is an amenable number.

75745436 is a deficient number, since it is larger than the sum of its proper divisors (67005676).

75745436 is a wasteful number, since it uses less digits than its factorization.

75745436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456660 (or 1456658 counting only the distinct ones).

The product of its digits is 352800, while the sum is 41.

The square root of 75745436 is about 8703.1853938659. The cubic root of 75745436 is about 423.1088959876.

The spelling of 75745436 in words is "seventy-five million, seven hundred forty-five thousand, four hundred thirty-six".