727253790864 has 80 divisors (see below), whose sum is σ = 1947350028288. Its totient is φ = 233718857856.

The previous prime is 727253790863. The next prime is 727253790877. The reversal of 727253790864 is 468097352727.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 727253790798 and 727253790807.

It is not an unprimeable number, because it can be changed into a prime (727253790863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2254552 + ... + 2556855.

Almost surely, 2^727253790864 is an apocalyptic number.

It is an amenable number.

727253790864 is an abundant number, since it is smaller than the sum of its proper divisors (1220096237424).

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

727253790864 is a wasteful number, since it uses less digits than its factorization.

727253790864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811532 (or 4811526 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 727253790864 in words is "seven hundred twenty-seven billion, two hundred fifty-three million, seven hundred ninety thousand, eight hundred sixty-four".