44968681 has 4 divisors (see below), whose sum is σ = 44998272. Its totient is φ = 44939092.

The previous prime is 44968673. The next prime is 44968691. The reversal of 44968681 is 18686944.

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 44968681 - 2³ = 44968673 is a prime.

It is a super-2 number, since 2×44968681² = 4044364541759522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44968601) 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, 12385 + ... + 15598.

It is an arithmetic number, because the mean of its divisors is an integer number (11249568).

Almost surely, 2^44968681 is an apocalyptic number.

It is an amenable number.

44968681 is a deficient number, since it is larger than the sum of its proper divisors (29591).

44968681 is a wasteful number, since it uses less digits than its factorization.

44968681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29590.

The product of its digits is 331776, while the sum is 46.

The square root of 44968681 is about 6705.8691457558. The cubic root of 44968681 is about 355.6067940083.

The spelling of 44968681 in words is "forty-four million, nine hundred sixty-eight thousand, six hundred eighty-one".