47263661 has 4 divisors (see below), whose sum is σ = 48064800. Its totient is φ = 46462524.

The previous prime is 47263639. The next prime is 47263663. The reversal of 47263661 is 16636274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47263661 - 2¹⁰ = 47262637 is a prime.

It is a super-2 number, since 2×47263661² = 4467707302245842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47263663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400481 + ... + 400598.

It is an arithmetic number, because the mean of its divisors is an integer number (12016200).

Almost surely, 2^47263661 is an apocalyptic number.

It is an amenable number.

47263661 is a deficient number, since it is larger than the sum of its proper divisors (801139).

47263661 is an equidigital number, since it uses as much as digits as its factorization.

47263661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801138.

The product of its digits is 36288, while the sum is 35.

The square root of 47263661 is about 6874.8571621525. The cubic root of 47263661 is about 361.5561774896.

The spelling of 47263661 in words is "forty-seven million, two hundred sixty-three thousand, six hundred sixty-one".