727764968 has 32 divisors (see below), whose sum is σ = 1651233600. Its totient is φ = 293551872.

The previous prime is 727764949. The next prime is 727764971. The reversal of 727764968 is 869467727.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 381278 + ... + 383181.

It is an arithmetic number, because the mean of its divisors is an integer number (51601050).

Almost surely, 2^727764968 is an apocalyptic number.

It is an amenable number.

727764968 is an abundant number, since it is smaller than the sum of its proper divisors (923468632).

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

727764968 is a wasteful number, since it uses less digits than its factorization.

727764968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764489 (or 764485 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 56.

The square root of 727764968 is about 26977.1193421388. The cubic root of 727764968 is about 899.4914690953.

The spelling of 727764968 in words is "seven hundred twenty-seven million, seven hundred sixty-four thousand, nine hundred sixty-eight".