75780536 has 16 divisors (see below), whose sum is σ = 153018600. Its totient is φ = 34975584.

The previous prime is 75780527. The next prime is 75780539. The reversal of 75780536 is 63508757.

It is a junction number, because it is equal to n+sod(n) for n = 75780493 and 75780502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75780539) 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, 364226 + ... + 364433.

Almost surely, 2^75780536 is an apocalyptic number.

It is an amenable number.

75780536 is an abundant number, since it is smaller than the sum of its proper divisors (77238064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75780536 is a wasteful number, since it uses less digits than its factorization.

75780536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728678 (or 728674 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 75780536 is about 8705.2016633735. The cubic root of 75780536 is about 423.1742413058.

The spelling of 75780536 in words is "seventy-five million, seven hundred eighty thousand, five hundred thirty-six".