727272987 has 8 divisors (see below), whose sum is σ = 1108225536. Its totient is φ = 415584552.

The previous prime is 727272983. The next prime is 727273003. The reversal of 727272987 is 789272727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 727272987 - 2² = 727272983 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (727272983) 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, 17316003 + ... + 17316044.

It is an arithmetic number, because the mean of its divisors is an integer number (138528192).

Almost surely, 2^727272987 is an apocalyptic number.

727272987 is a deficient number, since it is larger than the sum of its proper divisors (380952549).

727272987 is a wasteful number, since it uses less digits than its factorization.

727272987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34632057.

The product of its digits is 1382976, while the sum is 51.

The square root of 727272987 is about 26967.9993140018. Note that the first 3 decimals coincide. The cubic root of 727272987 is about 899.2887330980.

The spelling of 727272987 in words is "seven hundred twenty-seven million, two hundred seventy-two thousand, nine hundred eighty-seven".