47976730 has 16 divisors (see below), whose sum is σ = 89336520. Its totient is φ = 18528832.

The previous prime is 47976727. The next prime is 47976743. The reversal of 47976730 is 3767974.

It can be written as a sum of positive squares in 4 ways, for example, as 43520409 + 4456321 = 6597^2 + 2111^2 .

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 7 ways as a sum of consecutive naturals, for example, 82429 + ... + 83008.

Almost surely, 2^47976730 is an apocalyptic number.

47976730 is a deficient number, since it is larger than the sum of its proper divisors (41359790).

47976730 is a wasteful number, since it uses less digits than its factorization.

47976730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165473.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 47976730 is about 6926.5236590948. The cubic root of 47976730 is about 363.3653807455.

The spelling of 47976730 in words is "forty-seven million, nine hundred seventy-six thousand, seven hundred thirty".