44672487 has 4 divisors (see below), whose sum is σ = 59563320. Its totient is φ = 29781656.

The previous prime is 44672449. The next prime is 44672497. The reversal of 44672487 is 78427644.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44672487 - 2¹⁰ = 44671463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44672497) 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, 7445412 + ... + 7445417.

It is an arithmetic number, because the mean of its divisors is an integer number (14890830).

Almost surely, 2^44672487 is an apocalyptic number.

44672487 is a deficient number, since it is larger than the sum of its proper divisors (14890833).

44672487 is a wasteful number, since it uses less digits than its factorization.

44672487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14890832.

The product of its digits is 301056, while the sum is 42.

The square root of 44672487 is about 6683.7479755000. The cubic root of 44672487 is about 354.8243182839.

The spelling of 44672487 in words is "forty-four million, six hundred seventy-two thousand, four hundred eighty-seven".