75657696 has 48 divisors (see below), whose sum is σ = 209059200. Its totient is φ = 23891328.

The previous prime is 75657691. The next prime is 75657697. The reversal of 75657696 is 69675657.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75657691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18916 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (4355400).

Almost surely, 2^75657696 is an apocalyptic number.

75657696 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

75657696 is an abundant number, since it is smaller than the sum of its proper divisors (133401504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75657696 is a wasteful number, since it uses less digits than its factorization.

75657696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41511 (or 41503 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 51.

The square root of 75657696 is about 8698.1432501425. The cubic root of 75657696 is about 422.9454629598.

The spelling of 75657696 in words is "seventy-five million, six hundred fifty-seven thousand, six hundred ninety-six".