48772421 has 4 divisors (see below), whose sum is σ = 48787872. Its totient is φ = 48756972.

The previous prime is 48772387. The next prime is 48772433. The reversal of 48772421 is 12427784.

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.

It is a cyclic number.

It is not a de Polignac number, because 48772421 - 2⁶ = 48772357 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 (48772921) 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, 1091 + ... + 9936.

It is an arithmetic number, because the mean of its divisors is an integer number (12196968).

Almost surely, 2^48772421 is an apocalyptic number.

It is an amenable number.

48772421 is a deficient number, since it is larger than the sum of its proper divisors (15451).

48772421 is a wasteful number, since it uses less digits than its factorization.

48772421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15450.

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

The square root of 48772421 is about 6983.7254384748. The cubic root of 48772421 is about 365.3631738957.

The spelling of 48772421 in words is "forty-eight million, seven hundred seventy-two thousand, four hundred twenty-one".