75010020 has 48 divisors (see below), whose sum is σ = 211219008. Its totient is φ = 19889280.

The previous prime is 75009997. The next prime is 75010021. The reversal of 75010020 is 2001057.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (75010021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7407 + ... + 14313.

It is an arithmetic number, because the mean of its divisors is an integer number (4400396).

Almost surely, 2^75010020 is an apocalyptic number.

It is an amenable number.

75010020 is an abundant number, since it is smaller than the sum of its proper divisors (136208988).

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

75010020 is a wasteful number, since it uses less digits than its factorization.

75010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100 (or 7098 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 75010020 is about 8660.8325234933. The cubic root of 75010020 is about 421.7351122486.

Adding to 75010020 its reverse (2001057), we get a palindrome (77011077).

The spelling of 75010020 in words is "seventy-five million, ten thousand, twenty".