75715648 has 14 divisors (see below), whose sum is σ = 150248366. Its totient is φ = 37857792.

The previous prime is 75715631. The next prime is 75715649. The reversal of 75715648 is 84651757.

It can be written as a sum of positive squares in only one way, i.e., 74097664 + 1617984 = 8608^2 + 1272^2 .

It is a super-3 number, since 3×75715648³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (75715649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591465 + ... + 591592.

Almost surely, 2^75715648 is an apocalyptic number.

It is an amenable number.

75715648 is a deficient number, since it is larger than the sum of its proper divisors (74532718).

75715648 is a wasteful number, since it uses less digits than its factorization.

75715648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183069 (or 1183059 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The square root of 75715648 is about 8701.4738981393. The cubic root of 75715648 is about 423.0534241290.

The spelling of 75715648 in words is "seventy-five million, seven hundred fifteen thousand, six hundred forty-eight".