47920951 has 8 divisors (see below), whose sum is σ = 51662240. Its totient is φ = 44187552.

The previous prime is 47920889. The next prime is 47920969. The reversal of 47920951 is 15902974.

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

It is a cyclic number.

It is not a de Polignac number, because 47920951 - 2¹³ = 47912759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47920951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47920981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18865 + ... + 21253.

It is an arithmetic number, because the mean of its divisors is an integer number (6457780).

Almost surely, 2^47920951 is an apocalyptic number.

47920951 is a deficient number, since it is larger than the sum of its proper divisors (3741289).

47920951 is a wasteful number, since it uses less digits than its factorization.

47920951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 47920951 is about 6922.4960093885. The cubic root of 47920951 is about 363.2245067745.

The spelling of 47920951 in words is "forty-seven million, nine hundred twenty thousand, nine hundred fifty-one".