727120761 has 8 divisors (see below), whose sum is σ = 978074400. Its totient is φ = 480457152.

The previous prime is 727120759. The next prime is 727120769. The reversal of 727120761 is 167021727.

It is a happy number.

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

It is not a de Polignac number, because 727120761 - 2¹ = 727120759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (727120769) 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, 1072111 + ... + 1072788.

It is an arithmetic number, because the mean of its divisors is an integer number (122259300).

Almost surely, 2^727120761 is an apocalyptic number.

It is an amenable number.

727120761 is a deficient number, since it is larger than the sum of its proper divisors (250953639).

727120761 is a wasteful number, since it uses less digits than its factorization.

727120761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145015.

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 727120761 is about 26965.1768212263. The cubic root of 727120761 is about 899.2259851426.

The spelling of 727120761 in words is "seven hundred twenty-seven million, one hundred twenty thousand, seven hundred sixty-one".