47261268 has 18 divisors (see below), whose sum is σ = 119466074. Its totient is φ = 15753744.

The previous prime is 47261243. The next prime is 47261287. The reversal of 47261268 is 86216274.

It can be written as a sum of positive squares in only one way, i.e., 46949904 + 311364 = 6852^2 + 558^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1312813 = 47261268 / (4 + 7 + 2 + 6 + 1 + 2 + 6 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656371 + ... + 656442.

Almost surely, 2^47261268 is an apocalyptic number.

It is an amenable number.

47261268 is an abundant number, since it is smaller than the sum of its proper divisors (72204806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47261268 is a wasteful number, since it uses less digits than its factorization.

47261268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312823 (or 1312818 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 47261268 is about 6874.6831199700. The cubic root of 47261268 is about 361.5500754194.

The spelling of 47261268 in words is "forty-seven million, two hundred sixty-one thousand, two hundred sixty-eight".