74875871551 has 8 divisors (see below), whose sum is σ = 80684065280. Its totient is φ = 69074608032.

The previous prime is 74875871531. The next prime is 74875871557. The reversal of 74875871551 is 15517857847.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74875871551 - 2⁵ = 74875871519 is a prime.

It is a super-2 number, since 2×74875871551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74875871557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710096 + ... + 1753333.

It is an arithmetic number, because the mean of its divisors is an integer number (10085508160).

Almost surely, 2^74875871551 is an apocalyptic number.

74875871551 is a deficient number, since it is larger than the sum of its proper divisors (5808193729).

74875871551 is a wasteful number, since it uses less digits than its factorization.

74875871551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465105.

The product of its digits is 10976000, while the sum is 58.

The spelling of 74875871551 in words is "seventy-four billion, eight hundred seventy-five million, eight hundred seventy-one thousand, five hundred fifty-one".