47921001 has 8 divisors (see below), whose sum is σ = 63928704. Its totient is φ = 31930320.

The previous prime is 47920993. The next prime is 47921023. The reversal of 47921001 is 10012974.

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

It is not a de Polignac number, because 47921001 - 2³ = 47920993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47925001) 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, 5536 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (7991088).

Almost surely, 2^47921001 is an apocalyptic number.

It is an amenable number.

47921001 is a deficient number, since it is larger than the sum of its proper divisors (16007703).

47921001 is a wasteful number, since it uses less digits than its factorization.

47921001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 47921001 is about 6922.4996208017. The cubic root of 47921001 is about 363.2246331021.

Adding to 47921001 its reverse (10012974), we get a palindrome (57933975).

The spelling of 47921001 in words is "forty-seven million, nine hundred twenty-one thousand, one".