44670621 has 4 divisors (see below), whose sum is σ = 59560832. Its totient is φ = 29780412.

The previous prime is 44670617. The next prime is 44670641. The reversal of 44670621 is 12607644.

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 not a de Polignac number, because 44670621 - 2² = 44670617 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 (44670601) 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, 7445101 + ... + 7445106.

It is an arithmetic number, because the mean of its divisors is an integer number (14890208).

Almost surely, 2^44670621 is an apocalyptic number.

It is an amenable number.

44670621 is a deficient number, since it is larger than the sum of its proper divisors (14890211).

44670621 is a wasteful number, since it uses less digits than its factorization.

44670621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14890210.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 44670621 is about 6683.6083817052. The cubic root of 44670621 is about 354.8193777979.

The spelling of 44670621 in words is "forty-four million, six hundred seventy thousand, six hundred twenty-one".