744240066 has 32 divisors (see below), whose sum is σ = 1515816960. Its totient is φ = 243565056.

The previous prime is 744240061. The next prime is 744240071. The reversal of 744240066 is 660042447.

It is an interprime number because it is at equal distance from previous prime (744240061) and next prime (744240071).

It is not an unprimeable number, because it can be changed into a prime (744240061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68880 + ... + 78948.

It is an arithmetic number, because the mean of its divisors is an integer number (47369280).

Almost surely, 2^744240066 is an apocalyptic number.

744240066 is an abundant number, since it is smaller than the sum of its proper divisors (771576894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

744240066 is a wasteful number, since it uses less digits than its factorization.

744240066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 744240066 is about 27280.7636623317. The cubic root of 744240066 is about 906.2284289689.

The spelling of 744240066 in words is "seven hundred forty-four million, two hundred forty thousand, sixty-six".