75286740 has 48 divisors (see below), whose sum is σ = 221901120. Its totient is φ = 19019520.

The previous prime is 75286733. The next prime is 75286741. The reversal of 75286740 is 4768257.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75286741) 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 15 ways as a sum of consecutive naturals, for example, 31881 + ... + 34160.

It is an arithmetic number, because the mean of its divisors is an integer number (4622940).

Almost surely, 2^75286740 is an apocalyptic number.

It is an amenable number.

75286740 is an abundant number, since it is smaller than the sum of its proper divisors (146614380).

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

75286740 is a wasteful number, since it uses less digits than its factorization.

75286740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66072 (or 66070 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 75286740 is about 8676.7931864255. The cubic root of 75286740 is about 422.2530844887.

The spelling of 75286740 in words is "seventy-five million, two hundred eighty-six thousand, seven hundred forty".