75809672 has 8 divisors (see below), whose sum is σ = 142143150. Its totient is φ = 37904832.

The previous prime is 75809653. The next prime is 75809711. The reversal of 75809672 is 27690857.

It can be written as a sum of positive squares in only one way, i.e., 73034116 + 2775556 = 8546^2 + 1666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4738097 + ... + 4738112.

Almost surely, 2^75809672 is an apocalyptic number.

It is an amenable number.

75809672 is a deficient number, since it is larger than the sum of its proper divisors (66333478).

75809672 is a wasteful number, since it uses less digits than its factorization.

75809672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476215 (or 9476211 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 75809672 is about 8706.8749847462. The cubic root of 75809672 is about 423.2284681805.

The spelling of 75809672 in words is "seventy-five million, eight hundred nine thousand, six hundred seventy-two".