727680490 has 16 divisors (see below), whose sum is σ = 1310305248. Its totient is φ = 290965456.

The previous prime is 727680439. The next prime is 727680497. The reversal of 727680490 is 94086727.

It is not an unprimeable number, because it can be changed into a prime (727680497) 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, 19029 + ... + 42631.

It is an arithmetic number, because the mean of its divisors is an integer number (81894078).

Almost surely, 2^727680490 is an apocalyptic number.

727680490 is a deficient number, since it is larger than the sum of its proper divisors (582624758).

727680490 is a wasteful number, since it uses less digits than its factorization.

727680490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26693.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 727680490 is about 26975.5535624387. The cubic root of 727680490 is about 899.4566638198.

The spelling of 727680490 in words is "seven hundred twenty-seven million, six hundred eighty thousand, four hundred ninety".