74244251077207 has 4 divisors (see below), whose sum is σ = 76055086469376. Its totient is φ = 72433415685040.

The previous prime is 74244251077163. The next prime is 74244251077291. The reversal of 74244251077207 is 70277015244247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74244251077207 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 (74244251027207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905417696023 + ... + 905417696104.

It is an arithmetic number, because the mean of its divisors is an integer number (19013771617344).

Almost surely, 2^{74244251077207} is an apocalyptic number.

74244251077207 is a deficient number, since it is larger than the sum of its proper divisors (1810835392169).

74244251077207 is a wasteful number, since it uses less digits than its factorization.

74244251077207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810835392168.

The product of its (nonzero) digits is 6146560, while the sum is 52.

The spelling of 74244251077207 in words is "seventy-four trillion, two hundred forty-four billion, two hundred fifty-one million, seventy-seven thousand, two hundred seven".