75607613 has 4 divisors (see below), whose sum is σ = 77651100. Its totient is φ = 73564128.

The previous prime is 75607607. The next prime is 75607621. The reversal of 75607613 is 31670657.

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 44448889 + 31158724 = 6667^2 + 5582^2 .

It is a cyclic number.

It is not a de Polignac number, because 75607613 - 2⁶ = 75607549 is a prime.

It is a super-2 number, since 2×75607613² = 11433022287115538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75607673) 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 3 ways as a sum of consecutive naturals, for example, 1021688 + ... + 1021761.

It is an arithmetic number, because the mean of its divisors is an integer number (19412775).

Almost surely, 2^75607613 is an apocalyptic number.

It is an amenable number.

75607613 is a deficient number, since it is larger than the sum of its proper divisors (2043487).

75607613 is a wasteful number, since it uses less digits than its factorization.

75607613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043486.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 75607613 is about 8695.2638257847. The cubic root of 75607613 is about 422.8521168563.

The spelling of 75607613 in words is "seventy-five million, six hundred seven thousand, six hundred thirteen".