75025220 has 48 divisors (see below), whose sum is σ = 161164080. Its totient is φ = 29331456.

The previous prime is 75025219. The next prime is 75025231. The reversal of 75025220 is 2252057.

It can be written as a sum of positive squares in 8 ways, for example, as 19909444 + 55115776 = 4462^2 + 7424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200954 + ... + 201326.

It is an arithmetic number, because the mean of its divisors is an integer number (3357585).

Almost surely, 2^75025220 is an apocalyptic number.

It is an amenable number.

75025220 is an abundant number, since it is smaller than the sum of its proper divisors (86138860).

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

75025220 is a wasteful number, since it uses less digits than its factorization.

75025220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 75025220 is about 8661.7099928363. The cubic root of 75025220 is about 421.7635970686.

Adding to 75025220 its reverse (2252057), we get a palindrome (77277277).

The spelling of 75025220 in words is "seventy-five million, twenty-five thousand, two hundred twenty".