727981074 has 16 divisors (see below), whose sum is σ = 1617735840. Its totient is φ = 242660340.

The previous prime is 727981057. The next prime is 727981081. The reversal of 727981074 is 470189727.

It is a happy number.

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, 6740512 + ... + 6740619.

It is an arithmetic number, because the mean of its divisors is an integer number (101108490).

Almost surely, 2^727981074 is an apocalyptic number.

727981074 is an abundant number, since it is smaller than the sum of its proper divisors (889754766).

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

727981074 is a wasteful number, since it uses less digits than its factorization.

727981074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481142 (or 13481136 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 727981074 is about 26981.1244020704. The cubic root of 727981074 is about 899.5804933795.

The spelling of 727981074 in words is "seven hundred twenty-seven million, nine hundred eighty-one thousand, seventy-four".