47732977 has 4 divisors (see below), whose sum is σ = 47764080. Its totient is φ = 47701876.

The previous prime is 47732969. The next prime is 47732987. The reversal of 47732977 is 77923774.

47732977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77923774 = 2 ⋅38961887.

It is a cyclic number.

It is not a de Polignac number, because 47732977 - 2³ = 47732969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47732987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13123 + ... + 16360.

It is an arithmetic number, because the mean of its divisors is an integer number (11941020).

Almost surely, 2^47732977 is an apocalyptic number.

It is an amenable number.

47732977 is a deficient number, since it is larger than the sum of its proper divisors (31103).

47732977 is a wasteful number, since it uses less digits than its factorization.

47732977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31102.

The product of its digits is 518616, while the sum is 46.

The square root of 47732977 is about 6908.9056296927. The cubic root of 47732977 is about 362.7489581131.

It can be divided in two parts, 4773 and 2977, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 47732977 in words is "forty-seven million, seven hundred thirty-two thousand, nine hundred seventy-seven".