727690379 has 4 divisors (see below), whose sum is σ = 783666576. Its totient is φ = 671714184.

The previous prime is 727690363. The next prime is 727690391. The reversal of 727690379 is 973096727.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 727690379 - 2⁴ = 727690363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727690349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27988079 + ... + 27988104.

It is an arithmetic number, because the mean of its divisors is an integer number (195916644).

Almost surely, 2^727690379 is an apocalyptic number.

727690379 is a deficient number, since it is larger than the sum of its proper divisors (55976197).

727690379 is a wasteful number, since it uses less digits than its factorization.

727690379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55976196.

The product of its (nonzero) digits is 1000188, while the sum is 50.

The square root of 727690379 is about 26975.7368574058. The cubic root of 727690379 is about 899.4607382667.

The spelling of 727690379 in words is "seven hundred twenty-seven million, six hundred ninety thousand, three hundred seventy-nine".