74849114618 has 4 divisors (see below), whose sum is σ = 112273671930. Its totient is φ = 37424557308.

The previous prime is 74849114611. The next prime is 74849114663. The reversal of 74849114618 is 81641194847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81641194847 = 107 ⋅763001821.

It can be written as a sum of positive squares in only one way, i.e., 59402850529 + 15446264089 = 243727^2 + 124283^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74849114618.

It is not an unprimeable number, because it can be changed into a prime (74849114611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18712278653 + ... + 18712278656.

Almost surely, 2^74849114618 is an apocalyptic number.

74849114618 is a deficient number, since it is larger than the sum of its proper divisors (37424557312).

74849114618 is a wasteful number, since it uses less digits than its factorization.

74849114618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37424557311.

The product of its digits is 1548288, while the sum is 53.

The spelling of 74849114618 in words is "seventy-four billion, eight hundred forty-nine million, one hundred fourteen thousand, six hundred eighteen".