75350020 has 12 divisors (see below), whose sum is σ = 158235084. Its totient is φ = 30140000.

The previous prime is 75350003. The next prime is 75350039. The reversal of 75350020 is 2005357.

It can be written as a sum of positive squares in 2 ways, for example, as 34082244 + 41267776 = 5838^2 + 6424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75349973 and 75350000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883731 + ... + 1883770.

It is an arithmetic number, because the mean of its divisors is an integer number (13186257).

Almost surely, 2^75350020 is an apocalyptic number.

It is an amenable number.

75350020 is an abundant number, since it is smaller than the sum of its proper divisors (82885064).

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

75350020 is a wasteful number, since it uses less digits than its factorization.

75350020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767510 (or 3767508 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 75350020 is about 8680.4389289943. The cubic root of 75350020 is about 422.3713553927.

Adding to 75350020 its reverse (2005357), we get a palindrome (77355377).

The spelling of 75350020 in words is "seventy-five million, three hundred fifty thousand, twenty".