75716220 has 48 divisors (see below), whose sum is σ = 213147648. Its totient is φ = 20082240.

The previous prime is 75716213. The next prime is 75716239. The reversal of 75716220 is 2261757.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8157 + ... + 14763.

It is an arithmetic number, because the mean of its divisors is an integer number (4440576).

Almost surely, 2^75716220 is an apocalyptic number.

It is an amenable number.

75716220 is an abundant number, since it is smaller than the sum of its proper divisors (137431428).

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

75716220 is a wasteful number, since it uses less digits than its factorization.

75716220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810 (or 6808 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 75716220 is about 8701.5067660722. The cubic root of 75716220 is about 423.0544894568.

Adding to 75716220 its reverse (2261757), we get a palindrome (77977977).

The spelling of 75716220 in words is "seventy-five million, seven hundred sixteen thousand, two hundred twenty".