44537661 has 32 divisors (see below), whose sum is σ = 76492800. Its totient is φ = 25084080.

The previous prime is 44537659. The next prime is 44537663. The reversal of 44537661 is 16673544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44537659) and next prime (44537663).

It is not a de Polignac number, because 44537661 - 2¹ = 44537659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44537663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11760 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (2390400).

Almost surely, 2^44537661 is an apocalyptic number.

It is an amenable number.

44537661 is a deficient number, since it is larger than the sum of its proper divisors (31955139).

44537661 is a wasteful number, since it uses less digits than its factorization.

44537661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406 (or 3400 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 44537661 is about 6673.6542463631. The cubic root of 44537661 is about 354.4669935577.

The spelling of 44537661 in words is "forty-four million, five hundred thirty-seven thousand, six hundred sixty-one".