47801949 has 8 divisors (see below), whose sum is σ = 68638752. Its totient is φ = 29416560.

The previous prime is 47801921. The next prime is 47801951. The reversal of 47801949 is 94910874.

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

It is not a de Polignac number, because 47801949 - 2⁷ = 47801821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47801949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47801959) 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, 612807 + ... + 612884.

It is an arithmetic number, because the mean of its divisors is an integer number (8579844).

Almost surely, 2^47801949 is an apocalyptic number.

It is an amenable number.

47801949 is a deficient number, since it is larger than the sum of its proper divisors (20836803).

47801949 is a wasteful number, since it uses less digits than its factorization.

47801949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225707.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 47801949 is about 6913.8953564543. The cubic root of 47801949 is about 362.9235926578.

The spelling of 47801949 in words is "forty-seven million, eight hundred one thousand, nine hundred forty-nine".