74284265155 has 8 divisors (see below), whose sum is σ = 89148906000. Its totient is φ = 59422220256.

The previous prime is 74284265141. The next prime is 74284265197. The reversal of 74284265155 is 55156248247.

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 74284265155 - 2⁵ = 74284265123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74284265099 and 74284265108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585465 + ... + 700954.

It is an arithmetic number, because the mean of its divisors is an integer number (11143613250).

Almost surely, 2^74284265155 is an apocalyptic number.

74284265155 is a deficient number, since it is larger than the sum of its proper divisors (14864640845).

74284265155 is a wasteful number, since it uses less digits than its factorization.

74284265155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297973.

The product of its digits is 2688000, while the sum is 49.

The spelling of 74284265155 in words is "seventy-four billion, two hundred eighty-four million, two hundred sixty-five thousand, one hundred fifty-five".