48727421 has 4 divisors (see below), whose sum is σ = 48741792. Its totient is φ = 48713052.

The previous prime is 48727417. The next prime is 48727433. The reversal of 48727421 is 12472784.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 48727421 - 2² = 48727417 is a prime.

It is a super-2 number, since 2×48727421² = 4748723114622482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48723421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040 + ... + 9926.

It is an arithmetic number, because the mean of its divisors is an integer number (12185448).

Almost surely, 2^48727421 is an apocalyptic number.

It is an amenable number.

48727421 is a deficient number, since it is larger than the sum of its proper divisors (14371).

48727421 is an equidigital number, since it uses as much as digits as its factorization.

48727421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14370.

The product of its digits is 25088, while the sum is 35.

The square root of 48727421 is about 6980.5029188447. The cubic root of 48727421 is about 365.2507715610.

The spelling of 48727421 in words is "forty-eight million, seven hundred twenty-seven thousand, four hundred twenty-one".