47661215 has 16 divisors (see below), whose sum is σ = 68805120. Its totient is φ = 30961440.

The previous prime is 47661169. The next prime is 47661259. The reversal of 47661215 is 51216674.

It is not a de Polignac number, because 47661215 - 2⁸ = 47660959 is a prime.

It is a super-3 number, since 3×47661215³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35171 + ... + 36500.

It is an arithmetic number, because the mean of its divisors is an integer number (4300320).

Almost surely, 2^47661215 is an apocalyptic number.

47661215 is a deficient number, since it is larger than the sum of its proper divisors (21143905).

47661215 is a wasteful number, since it uses less digits than its factorization.

47661215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71702.

The product of its digits is 10080, while the sum is 32.

The square root of 47661215 is about 6903.7102343595. The cubic root of 47661215 is about 362.5670807290.

Adding to 47661215 its reverse (51216674), we get a palindrome (98877889).

The spelling of 47661215 in words is "forty-seven million, six hundred sixty-one thousand, two hundred fifteen".