75629557012 has 6 divisors (see below), whose sum is σ = 132351724778. Its totient is φ = 37814778504.

The previous prime is 75629557009. The next prime is 75629557027. The reversal of 75629557012 is 21075592657.

It can be written as a sum of positive squares in only one way, i.e., 53525598736 + 22103958276 = 231356^2 + 148674^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9453694623 + ... + 9453694630.

Almost surely, 2^75629557012 is an apocalyptic number.

It is an amenable number.

75629557012 is a deficient number, since it is larger than the sum of its proper divisors (56722167766).

75629557012 is a wasteful number, since it uses less digits than its factorization.

75629557012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18907389257 (or 18907389255 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 49.

The spelling of 75629557012 in words is "seventy-five billion, six hundred twenty-nine million, five hundred fifty-seven thousand, twelve".