44746721 has 8 divisors (see below), whose sum is σ = 45684000. Its totient is φ = 43815520.

The previous prime is 44746717. The next prime is 44746781. The reversal of 44746721 is 12764744.

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 44746721 - 2² = 44746717 is a prime.

It is a super-3 number, since 3×44746721³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44746781) 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, 15230 + ... + 17928.

It is an arithmetic number, because the mean of its divisors is an integer number (5710500).

Almost surely, 2^44746721 is an apocalyptic number.

It is an amenable number.

44746721 is a deficient number, since it is larger than the sum of its proper divisors (937279).

44746721 is a wasteful number, since it uses less digits than its factorization.

44746721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039.

The product of its digits is 37632, while the sum is 35.

The square root of 44746721 is about 6689.2989916732. The cubic root of 44746721 is about 355.0207512832.

The spelling of 44746721 in words is "forty-four million, seven hundred forty-six thousand, seven hundred twenty-one".