47422761 has 4 divisors (see below), whose sum is σ = 63230352. Its totient is φ = 31615172.

The previous prime is 47422747. The next prime is 47422787. The reversal of 47422761 is 16722474.

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 47422761 - 2⁵ = 47422729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47422261) 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, 7903791 + ... + 7903796.

It is an arithmetic number, because the mean of its divisors is an integer number (15807588).

Almost surely, 2^47422761 is an apocalyptic number.

It is an amenable number.

47422761 is a deficient number, since it is larger than the sum of its proper divisors (15807591).

47422761 is a wasteful number, since it uses less digits than its factorization.

47422761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15807590.

The product of its digits is 18816, while the sum is 33.

The square root of 47422761 is about 6886.4185902398. The cubic root of 47422761 is about 361.9614159705.

It can be divided in two parts, 4742 and 2761, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 47422761 in words is "forty-seven million, four hundred twenty-two thousand, seven hundred sixty-one".