742144207 has 16 divisors (see below), whose sum is σ = 866140992. Its totient is φ = 622771200.

The previous prime is 742144141. The next prime is 742144229. The reversal of 742144207 is 702441247.

It is a cyclic number.

It is not a de Polignac number, because 742144207 - 2²³ = 733755599 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 (742144607) 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, 64707 + ... + 75307.

It is an arithmetic number, because the mean of its divisors is an integer number (54133812).

Almost surely, 2^742144207 is an apocalyptic number.

742144207 is a deficient number, since it is larger than the sum of its proper divisors (123996785).

742144207 is a wasteful number, since it uses less digits than its factorization.

742144207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 742144207 is about 27242.3238179125. The cubic root of 742144207 is about 905.3769507105.

The spelling of 742144207 in words is "seven hundred forty-two million, one hundred forty-four thousand, two hundred seven".