75032613 has 6 divisors (see below), whose sum is σ = 108380454. Its totient is φ = 50021736.

The previous prime is 75032593. The next prime is 75032627. The reversal of 75032613 is 31623057.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38526849 + 36505764 = 6207^2 + 6042^2 .

It is not a de Polignac number, because 75032613 - 2⁸ = 75032357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75032663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4168470 + ... + 4168487.

It is an arithmetic number, because the mean of its divisors is an integer number (18063409).

Almost surely, 2^75032613 is an apocalyptic number.

It is an amenable number.

75032613 is a deficient number, since it is larger than the sum of its proper divisors (33347841).

75032613 is a wasteful number, since it uses less digits than its factorization.

75032613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336963 (or 8336960 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 75032613 is about 8662.1367456304. The cubic root of 75032613 is about 421.7774501696. Note that the first 3 decimals are identical.

The spelling of 75032613 in words is "seventy-five million, thirty-two thousand, six hundred thirteen".