727220740 has 24 divisors (see below), whose sum is σ = 1528777152. Its totient is φ = 290580960.

The previous prime is 727220729. The next prime is 727220749. The reversal of 727220740 is 47022727.

It is a super-2 number, since 2×727220740² = 1057700009372295200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (727220749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697 + ... + 38143.

It is an arithmetic number, because the mean of its divisors is an integer number (63699048).

Almost surely, 2^727220740 is an apocalyptic number.

It is an amenable number.

727220740 is an abundant number, since it is smaller than the sum of its proper divisors (801556412).

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

727220740 is a wasteful number, since it uses less digits than its factorization.

727220740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38427 (or 38425 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 727220740 is about 26967.0306114707. The cubic root of 727220740 is about 899.2671977349.

The spelling of 727220740 in words is "seven hundred twenty-seven million, two hundred twenty thousand, seven hundred forty".