74287793471 has 16 divisors (see below), whose sum is σ = 75168354336. Its totient is φ = 73414066176.

The previous prime is 74287793467. The next prime is 74287793509. The reversal of 74287793471 is 17439778247.

It is a cyclic number.

It is not a de Polignac number, because 74287793471 - 2² = 74287793467 is a prime.

It is a super-3 number, since 3×74287793471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74287793471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74287793071) 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, 19278581 + ... + 19282433.

It is an arithmetic number, because the mean of its divisors is an integer number (4698022146).

Almost surely, 2^74287793471 is an apocalyptic number.

74287793471 is a deficient number, since it is larger than the sum of its proper divisors (880560865).

74287793471 is a wasteful number, since it uses less digits than its factorization.

74287793471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682.

The product of its digits is 16595712, while the sum is 59.

The spelling of 74287793471 in words is "seventy-four billion, two hundred eighty-seven million, seven hundred ninety-three thousand, four hundred seventy-one".