47949967 has 8 divisors (see below), whose sum is σ = 51692256. Its totient is φ = 44215392.

The previous prime is 47949959. The next prime is 47949989. The reversal of 47949967 is 76994974.

It is a happy number.

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

It is not a de Polignac number, because 47949967 - 2³ = 47949959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47949947) 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, 23013 + ... + 25009.

It is an arithmetic number, because the mean of its divisors is an integer number (6461532).

Almost surely, 2^47949967 is an apocalyptic number.

47949967 is a deficient number, since it is larger than the sum of its proper divisors (3742289).

47949967 is a wasteful number, since it uses less digits than its factorization.

47949967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857.

The product of its digits is 3429216, while the sum is 55.

The square root of 47949967 is about 6924.5914680940. The cubic root of 47949967 is about 363.2978024528.

The spelling of 47949967 in words is "forty-seven million, nine hundred forty-nine thousand, nine hundred sixty-seven".