727265280 has 416 divisors, whose sum is σ = 2830809600. Its totient is φ = 155713536.

The previous prime is 727265251. The next prime is 727265293. The reversal of 727265280 is 82562727.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8171476 + ... + 8171564.

Almost surely, 2^727265280 is an apocalyptic number.

727265280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 727265280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415404800).

727265280 is an abundant number, since it is smaller than the sum of its proper divisors (2103544320).

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

727265280 is a wasteful number, since it uses less digits than its factorization.

727265280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 727265280 is about 26967.8564220444. The cubic root of 727265280 is about 899.2855564629.

The spelling of 727265280 in words is "seven hundred twenty-seven million, two hundred sixty-five thousand, two hundred eighty".