75313320 has 32 divisors (see below), whose sum is σ = 225940320. Its totient is φ = 20083520.

The previous prime is 75313279. The next prime is 75313327. The reversal of 75313320 is 2331357.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (75313327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313686 + ... + 313925.

It is an arithmetic number, because the mean of its divisors is an integer number (7060635).

Almost surely, 2^75313320 is an apocalyptic number.

It is an amenable number.

75313320 is an abundant number, since it is smaller than the sum of its proper divisors (150627000).

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

75313320 is a wasteful number, since it uses less digits than its factorization.

75313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627625 (or 627621 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 75313320 is about 8678.3247231248. The cubic root of 75313320 is about 422.3027708231.

Adding to 75313320 its reverse (2331357), we get a palindrome (77644677).

The spelling of 75313320 in words is "seventy-five million, three hundred thirteen thousand, three hundred twenty".