44646749 has 8 divisors (see below), whose sum is σ = 53243520. Its totient is φ = 36604656.

The previous prime is 44646733. The next prime is 44646769. The reversal of 44646749 is 94764644.

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 44646749 - 2⁴ = 44646733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44646769) 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, 138494 + ... + 138815.

It is an arithmetic number, because the mean of its divisors is an integer number (6655440).

Almost surely, 2^44646749 is an apocalyptic number.

It is an amenable number.

44646749 is a deficient number, since it is larger than the sum of its proper divisors (8596771).

44646749 is a wasteful number, since it uses less digits than its factorization.

44646749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277339.

The product of its digits is 580608, while the sum is 44.

The square root of 44646749 is about 6681.8222813840. The cubic root of 44646749 is about 354.7561613237.

The spelling of 44646749 in words is "forty-four million, six hundred forty-six thousand, seven hundred forty-nine".