75974130 has 24 divisors (see below), whose sum is σ = 197532972. Its totient is φ = 20259744.

The previous prime is 75974117. The next prime is 75974131. The reversal of 75974130 is 3147957.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75846681 + 127449 = 8709^2 + 357^2 .

It is not an unprimeable number, because it can be changed into a prime (75974131) 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 11 ways as a sum of consecutive naturals, for example, 421989 + ... + 422168.

Almost surely, 2^75974130 is an apocalyptic number.

75974130 is an abundant number, since it is smaller than the sum of its proper divisors (121558842).

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

75974130 is a wasteful number, since it uses less digits than its factorization.

75974130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844170 (or 844167 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 75974130 is about 8716.3140145362. The cubic root of 75974130 is about 423.5342912360.

The spelling of 75974130 in words is "seventy-five million, nine hundred seventy-four thousand, one hundred thirty".