44872421 has 8 divisors (see below), whose sum is σ = 49000224. Its totient is φ = 40752720.

The previous prime is 44872411. The next prime is 44872441. The reversal of 44872421 is 12427844.

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 44872421 - 2¹⁴ = 44856037 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 (44872411) 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, 20831 + ... + 22883.

It is an arithmetic number, because the mean of its divisors is an integer number (6125028).

Almost surely, 2^44872421 is an apocalyptic number.

It is an amenable number.

44872421 is a deficient number, since it is larger than the sum of its proper divisors (4127803).

44872421 is a wasteful number, since it uses less digits than its factorization.

44872421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051.

The product of its digits is 14336, while the sum is 32.

The square root of 44872421 is about 6698.6880058710. The cubic root of 44872421 is about 355.3528753321.

The spelling of 44872421 in words is "forty-four million, eight hundred seventy-two thousand, four hundred twenty-one".