72763189408 has 48 divisors (see below), whose sum is σ = 176310812160. Its totient is φ = 28785436416.

The previous prime is 72763189399. The next prime is 72763189463. The reversal of 72763189408 is 80498136727.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12490768 + ... + 12496591.

It is an arithmetic number, because the mean of its divisors is an integer number (3673141920).

Almost surely, 2^72763189408 is an apocalyptic number.

It is an amenable number.

72763189408 is an abundant number, since it is smaller than the sum of its proper divisors (103547622752).

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

72763189408 is a wasteful number, since it uses less digits than its factorization.

72763189408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24987389 (or 24987381 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 72763189408 in words is "seventy-two billion, seven hundred sixty-three million, one hundred eighty-nine thousand, four hundred eight".