47676929 has 4 divisors (see below), whose sum is σ = 48458580. Its totient is φ = 46895280.

The previous prime is 47676917. The next prime is 47676931. The reversal of 47676929 is 92967674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5166529 + 42510400 = 2273^2 + 6520^2 .

It is a cyclic number.

It is not a de Polignac number, because 47676929 - 2⁴ = 47676913 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47670929) 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, 390734 + ... + 390855.

It is an arithmetic number, because the mean of its divisors is an integer number (12114645).

Almost surely, 2^47676929 is an apocalyptic number.

It is an amenable number.

47676929 is a deficient number, since it is larger than the sum of its proper divisors (781651).

47676929 is an equidigital number, since it uses as much as digits as its factorization.

47676929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781650.

The product of its digits is 1143072, while the sum is 50.

The square root of 47676929 is about 6904.8482242552. The cubic root of 47676929 is about 362.6069227199.

The spelling of 47676929 in words is "forty-seven million, six hundred seventy-six thousand, nine hundred twenty-nine".