727342780 has 24 divisors (see below), whose sum is σ = 1533515760. Its totient is φ = 289776000.

The previous prime is 727342771. The next prime is 727342787. The reversal of 727342780 is 87243727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727342787) 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, 67425 + ... + 77464.

It is an arithmetic number, because the mean of its divisors is an integer number (63896490).

Almost surely, 2^727342780 is an apocalyptic number.

It is an amenable number.

727342780 is an abundant number, since it is smaller than the sum of its proper divisors (806172980).

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

727342780 is a wasteful number, since it uses less digits than its factorization.

727342780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145149 (or 145147 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 727342780 is about 26969.2932795800. The cubic root of 727342780 is about 899.3174990278.

The spelling of 727342780 in words is "seven hundred twenty-seven million, three hundred forty-two thousand, seven hundred eighty".