76185400072 has 16 divisors (see below), whose sum is σ = 143440357500. Its totient is φ = 37934638080.

The previous prime is 76185400061. The next prime is 76185400099. The reversal of 76185400072 is 27000458167.

It can be written as a sum of positive squares in 2 ways, for example, as 75452398596 + 733001476 = 274686^2 + 27074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76185399998 and 76185400034.

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, 19755697 + ... + 19759552.

Almost surely, 2^76185400072 is an apocalyptic number.

It is an amenable number.

76185400072 is a deficient number, since it is larger than the sum of its proper divisors (67254957428).

76185400072 is a wasteful number, since it uses less digits than its factorization.

76185400072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39515496 (or 39515492 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 76185400072 in words is "seventy-six billion, one hundred eighty-five million, four hundred thousand, seventy-two".