75274020 has 36 divisors (see below), whose sum is σ = 228331740. Its totient is φ = 20073024.

The previous prime is 75273973. The next prime is 75274033. The reversal of 75274020 is 2047257.

It can be written as a sum of positive squares in 2 ways, for example, as 10342656 + 64931364 = 3216^2 + 8058^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 208915 + ... + 209274.

Almost surely, 2^75274020 is an apocalyptic number.

It is an amenable number.

75274020 is an abundant number, since it is smaller than the sum of its proper divisors (153057720).

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

75274020 is a wasteful number, since it uses less digits than its factorization.

75274020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418204 (or 418199 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 75274020 is about 8676.0601657665. The cubic root of 75274020 is about 422.2293026924.

The spelling of 75274020 in words is "seventy-five million, two hundred seventy-four thousand, twenty".