727374819 has 4 divisors (see below), whose sum is σ = 969833096. Its totient is φ = 484916544.

The previous prime is 727374811. The next prime is 727374821. The reversal of 727374819 is 918473727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918473727 = 3 ⋅306157909.

It is not a de Polignac number, because 727374819 - 2³ = 727374811 is a prime.

It is a super-2 number, since 2×727374819² = 1058148254630565522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727374811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121229134 + ... + 121229139.

It is an arithmetic number, because the mean of its divisors is an integer number (242458274).

Almost surely, 2^727374819 is an apocalyptic number.

727374819 is a deficient number, since it is larger than the sum of its proper divisors (242458277).

727374819 is a wasteful number, since it uses less digits than its factorization.

727374819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242458276.

The product of its digits is 592704, while the sum is 48.

The square root of 727374819 is about 26969.8872633906. The cubic root of 727374819 is about 899.3307036272.

The spelling of 727374819 in words is "seven hundred twenty-seven million, three hundred seventy-four thousand, eight hundred nineteen".