75642064 has 20 divisors (see below), whose sum is σ = 146803104. Its totient is φ = 37757408.

The previous prime is 75642053. The next prime is 75642103. The reversal of 75642064 is 46024657.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6699 + ... + 14005.

Almost surely, 2^75642064 is an apocalyptic number.

It is an amenable number.

75642064 is a deficient number, since it is larger than the sum of its proper divisors (71161040).

75642064 is a wasteful number, since it uses less digits than its factorization.

75642064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962 (or 7956 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 75642064 is about 8697.2446211430. The cubic root of 75642064 is about 422.9163320221.

The spelling of 75642064 in words is "seventy-five million, six hundred forty-two thousand, sixty-four".