75340613 has 4 divisors (see below), whose sum is σ = 76762188. Its totient is φ = 73919040.

The previous prime is 75340609. The next prime is 75340627. The reversal of 75340613 is 31604357.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40742689 + 34597924 = 6383^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 75340613 - 2² = 75340609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75340693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710708 + ... + 710813.

It is an arithmetic number, because the mean of its divisors is an integer number (19190547).

Almost surely, 2^75340613 is an apocalyptic number.

It is an amenable number.

75340613 is a deficient number, since it is larger than the sum of its proper divisors (1421575).

75340613 is a wasteful number, since it uses less digits than its factorization.

75340613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421574.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 75340613 is about 8679.8970616016. The cubic root of 75340613 is about 422.3537778141.

The spelling of 75340613 in words is "seventy-five million, three hundred forty thousand, six hundred thirteen".