48731421 has 8 divisors (see below), whose sum is σ = 65029504. Its totient is φ = 32460480.

The previous prime is 48731407. The next prime is 48731437. The reversal of 48731421 is 12413784.

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

It is not a de Polignac number, because 48731421 - 2⁶ = 48731357 is a prime.

It is a super-3 number, since 3×48731421³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48731461) 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, 2140 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (8128688).

Almost surely, 2^48731421 is an apocalyptic number.

It is an amenable number.

48731421 is a deficient number, since it is larger than the sum of its proper divisors (16298083).

48731421 is a wasteful number, since it uses less digits than its factorization.

48731421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571.

The product of its digits is 5376, while the sum is 30.

The square root of 48731421 is about 6980.7894252728. The cubic root of 48731421 is about 365.2607656812.

The spelling of 48731421 in words is "forty-eight million, seven hundred thirty-one thousand, four hundred twenty-one".