44640067 has 2 divisors, whose sum is σ = 44640068. Its totient is φ = 44640066.

The previous prime is 44640061. The next prime is 44640073. The reversal of 44640067 is 76004644.

It is a balanced prime because it is at equal distance from previous prime (44640061) and next prime (44640073).

It is a cyclic number.

It is not a de Polignac number, because 44640067 - 2³ = 44640059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44640061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22320033 + 22320034.

It is an arithmetic number, because the mean of its divisors is an integer number (22320034).

Almost surely, 2^44640067 is an apocalyptic number.

44640067 is a deficient number, since it is larger than the sum of its proper divisors (1).

44640067 is an equidigital number, since it uses as much as digits as its factorization.

44640067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 44640067 is about 6681.3222493755. The cubic root of 44640067 is about 354.7384623946.

The spelling of 44640067 in words is "forty-four million, six hundred forty thousand, sixty-seven".