75294020 has 24 divisors (see below), whose sum is σ = 167419224. Its totient is φ = 28345856.

The previous prime is 75294013. The next prime is 75294029. The reversal of 75294020 is 2049257.

It can be written as a sum of positive squares in 4 ways, for example, as 34128964 + 41165056 = 5842^2 + 6416^2 .

It is not an unprimeable number, because it can be changed into a prime (75294029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 110387 + ... + 111066.

It is an arithmetic number, because the mean of its divisors is an integer number (6975801).

Almost surely, 2^75294020 is an apocalyptic number.

It is an amenable number.

75294020 is an abundant number, since it is smaller than the sum of its proper divisors (92125204).

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

75294020 is a wasteful number, since it uses less digits than its factorization.

75294020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221479 (or 221477 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 75294020 is about 8677.2126861107. The cubic root of 75294020 is about 422.2666942487.

The spelling of 75294020 in words is "seventy-five million, two hundred ninety-four thousand, twenty".