75560040 has 80 divisors (see below), whose sum is σ = 253976580. Its totient is φ = 20148480.

The previous prime is 75560039. The next prime is 75560063. The reversal of 75560040 is 4006557.

75560040 is a `hidden beast` number, since 7 + 55 + 600 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74960964 + 599076 = 8658^2 + 774^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 75559986 and 75560013.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8421 + ... + 14900.

Almost surely, 2^75560040 is an apocalyptic number.

It is an amenable number.

75560040 is an abundant number, since it is smaller than the sum of its proper divisors (178416540).

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

75560040 is a wasteful number, since it uses less digits than its factorization.

75560040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23344 (or 23331 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 75560040 is about 8692.5278256673. The cubic root of 75560040 is about 422.7634107787.

Adding to 75560040 its reverse (4006557), we get a palindrome (79566597).

The spelling of 75560040 in words is "seventy-five million, five hundred sixty thousand, forty".