47625644 has 24 divisors (see below), whose sum is σ = 91123536. Its totient is φ = 21600000.

The previous prime is 47625637. The next prime is 47625661. The reversal of 47625644 is 44652674.

It is a junction number, because it is equal to n+sod(n) for n = 47625598 and 47625607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25544 + ... + 27344.

It is an arithmetic number, because the mean of its divisors is an integer number (3796814).

Almost surely, 2^47625644 is an apocalyptic number.

47625644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47625644 is a deficient number, since it is larger than the sum of its proper divisors (43497892).

47625644 is a wasteful number, since it uses less digits than its factorization.

47625644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2415 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 47625644 is about 6901.1335300804. The cubic root of 47625644 is about 362.4768600370.

The spelling of 47625644 in words is "forty-seven million, six hundred twenty-five thousand, six hundred forty-four".