727236473 has 4 divisors (see below), whose sum is σ = 733672308. Its totient is φ = 720800640.

The previous prime is 727236469. The next prime is 727236487. The reversal of 727236473 is 374632727.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38278969 + 688957504 = 6187^2 + 26248^2 .

It is a cyclic number.

It is not a de Polignac number, because 727236473 - 2² = 727236469 is a prime.

It is a super-2 number, since 2×727236473² = 1057745775322959458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 727236473.

It is not an unprimeable number, because it can be changed into a prime (727230473) 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, 3217748 + ... + 3217973.

It is an arithmetic number, because the mean of its divisors is an integer number (183418077).

Almost surely, 2^727236473 is an apocalyptic number.

It is an amenable number.

727236473 is a deficient number, since it is larger than the sum of its proper divisors (6435835).

727236473 is a wasteful number, since it uses less digits than its factorization.

727236473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435834.

The product of its digits is 296352, while the sum is 41.

The square root of 727236473 is about 26967.3223179462. The cubic root of 727236473 is about 899.2736827300.

The spelling of 727236473 in words is "seven hundred twenty-seven million, two hundred thirty-six thousand, four hundred seventy-three".