47272442 has 8 divisors (see below), whose sum is σ = 81038496. Its totient is φ = 20259612.

The previous prime is 47272417. The next prime is 47272451. The reversal of 47272442 is 24427274.

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

It is a junction number, because it is equal to n+sod(n) for n = 47272399 and 47272408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688288 + ... + 1688315.

It is an arithmetic number, because the mean of its divisors is an integer number (10129812).

Almost surely, 2^47272442 is an apocalyptic number.

47272442 is a deficient number, since it is larger than the sum of its proper divisors (33766054).

47272442 is a wasteful number, since it uses less digits than its factorization.

47272442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376612.

The product of its digits is 25088, while the sum is 32.

The square root of 47272442 is about 6875.4957639431. The cubic root of 47272442 is about 361.5785669825.

The spelling of 47272442 in words is "forty-seven million, two hundred seventy-two thousand, four hundred forty-two".