947272361 has 8 divisors (see below), whose sum is σ = 1104691200. Its totient is φ = 811947444.

The previous prime is 947272349. The next prime is 947272367. The reversal of 947272361 is 163272749.

It is not a de Polignac number, because 947272361 - 2¹⁰ = 947271337 is a prime.

It is a super-3 number, since 3×947272361³ (a number of 28 digits) contains 333 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947272367) 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, 1380521 + ... + 1381206.

It is an arithmetic number, because the mean of its divisors is an integer number (138086400).

Almost surely, 2^947272361 is an apocalyptic number.

It is an amenable number.

947272361 is a deficient number, since it is larger than the sum of its proper divisors (157418839).

947272361 is an equidigital number, since it uses as much as digits as its factorization.

947272361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761748 (or 2761734 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 947272361 is about 30777.7900603666. The cubic root of 947272361 is about 982.1058288861.

The spelling of 947272361 in words is "nine hundred forty-seven million, two hundred seventy-two thousand, three hundred sixty-one".