44573987 has 2 divisors, whose sum is σ = 44573988. Its totient is φ = 44573986.

The previous prime is 44573951. The next prime is 44573993. The reversal of 44573987 is 78937544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44573987 - 2¹² = 44569891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44573927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22286993 + 22286994.

It is an arithmetic number, because the mean of its divisors is an integer number (22286994).

Almost surely, 2^44573987 is an apocalyptic number.

44573987 is a deficient number, since it is larger than the sum of its proper divisors (1).

44573987 is an equidigital number, since it uses as much as digits as its factorization.

44573987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 44573987 is about 6676.3752890322. The cubic root of 44573987 is about 354.5633380038.

The spelling of 44573987 in words is "forty-four million, five hundred seventy-three thousand, nine hundred eighty-seven".