47656345 has 32 divisors (see below), whose sum is σ = 65919744. Its totient is φ = 32736000.

The previous prime is 47656339. The next prime is 47656379. The reversal of 47656345 is 54365674.

It is not a de Polignac number, because 47656345 - 2³ = 47656337 is a prime.

It is a super-2 number, since 2×47656345² = 4542254437518050, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 47656298 and 47656307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127579 + ... + 127951.

It is an arithmetic number, because the mean of its divisors is an integer number (2059992).

Almost surely, 2^47656345 is an apocalyptic number.

It is an amenable number.

47656345 is a deficient number, since it is larger than the sum of its proper divisors (18263399).

47656345 is a wasteful number, since it uses less digits than its factorization.

47656345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its digits is 302400, while the sum is 40.

The square root of 47656345 is about 6903.3575164553. The cubic root of 47656345 is about 362.5547313318.

The spelling of 47656345 in words is "forty-seven million, six hundred fifty-six thousand, three hundred forty-five".