75036540 has 24 divisors (see below), whose sum is σ = 210102480. Its totient is φ = 20009728.

The previous prime is 75036517. The next prime is 75036541. The reversal of 75036540 is 4563057.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 75036498 and 75036507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75036541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625245 + ... + 625364.

It is an arithmetic number, because the mean of its divisors is an integer number (8754270).

Almost surely, 2^75036540 is an apocalyptic number.

It is an amenable number.

75036540 is an abundant number, since it is smaller than the sum of its proper divisors (135065940).

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

75036540 is a wasteful number, since it uses less digits than its factorization.

75036540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250621 (or 1250619 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 75036540 is about 8662.3634188367. The cubic root of 75036540 is about 421.7848082641.

Adding to 75036540 its reverse (4563057), we get a palindrome (79599597).

The spelling of 75036540 in words is "seventy-five million, thirty-six thousand, five hundred forty".