727158470261 has 16 divisors (see below), whose sum is σ = 766499934960. Its totient is φ = 688770700800.

The previous prime is 727158470243. The next prime is 727158470263. The reversal of 727158470261 is 162074851727.

727158470261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 371935318225 + 355223152036 = 609865^2 + 596006^2 .

It is not a de Polignac number, because 727158470261 - 2¹⁴ = 727158453877 is a prime.

It is a super-3 number, since 3×727158470261³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727158470263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24424961 + ... + 24454713.

It is an arithmetic number, because the mean of its divisors is an integer number (47906245935).

Almost surely, 2^727158470261 is an apocalyptic number.

It is an amenable number.

727158470261 is a deficient number, since it is larger than the sum of its proper divisors (39341464699).

727158470261 is a wasteful number, since it uses less digits than its factorization.

727158470261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45736.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 727158470261 in words is "seven hundred twenty-seven billion, one hundred fifty-eight million, four hundred seventy thousand, two hundred sixty-one".