47672961 has 8 divisors (see below), whose sum is σ = 72644544. Its totient is φ = 27241680.

The previous prime is 47672953. The next prime is 47672971. The reversal of 47672961 is 16927674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47672961 - 2³ = 47672953 is a prime.

It is a super-2 number, since 2×47672961² = 4545422421015042, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47672921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135050 + ... + 1135091.

It is an arithmetic number, because the mean of its divisors is an integer number (9080568).

Almost surely, 2^47672961 is an apocalyptic number.

It is an amenable number.

47672961 is a deficient number, since it is larger than the sum of its proper divisors (24971583).

47672961 is a wasteful number, since it uses less digits than its factorization.

47672961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270151.

The product of its digits is 127008, while the sum is 42.

The square root of 47672961 is about 6904.5608839375. The cubic root of 47672961 is about 362.5968628983.

It can be divided in two parts, 476 and 72961, that added together give a palindrome (73437).

The spelling of 47672961 in words is "forty-seven million, six hundred seventy-two thousand, nine hundred sixty-one".