75705340 has 24 divisors (see below), whose sum is σ = 159536160. Its totient is φ = 30176448.

The previous prime is 75705313. The next prime is 75705349. The reversal of 75705340 is 4350757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75705349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600 + ... + 12319.

It is an arithmetic number, because the mean of its divisors is an integer number (6647340).

Almost surely, 2^75705340 is an apocalyptic number.

It is an amenable number.

75705340 is an abundant number, since it is smaller than the sum of its proper divisors (83830820).

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

75705340 is a wasteful number, since it uses less digits than its factorization.

75705340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221 (or 13219 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 75705340 is about 8700.8815645313. The cubic root of 75705340 is about 423.0342249598.

The spelling of 75705340 in words is "seventy-five million, seven hundred five thousand, three hundred forty".