47473320 has 32 divisors (see below), whose sum is σ = 142420320. Its totient is φ = 12659520.

The previous prime is 47473313. The next prime is 47473339. The reversal of 47473320 is 2337474.

It is a super-2 number, since 2×47473320² = 4507432223644800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 197686 + ... + 197925.

It is an arithmetic number, because the mean of its divisors is an integer number (4450635).

Almost surely, 2^47473320 is an apocalyptic number.

47473320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47473320 is an abundant number, since it is smaller than the sum of its proper divisors (94947000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47473320 is a wasteful number, since it uses less digits than its factorization.

47473320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395625 (or 395621 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 47473320 is about 6890.0885335386. The cubic root of 47473320 is about 362.0900033628.

The spelling of 47473320 in words is "forty-seven million, four hundred seventy-three thousand, three hundred twenty".