74148201340 has 24 divisors (see below), whose sum is σ = 155774444112. Its totient is φ = 29647238400.

The previous prime is 74148201331. The next prime is 74148201367. The reversal of 74148201340 is 4310284147.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74148201296 and 74148201305.

It is a congruent number.

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, 702061 + ... + 800740.

It is an arithmetic number, because the mean of its divisors is an integer number (6490601838).

Almost surely, 2^74148201340 is an apocalyptic number.

It is an amenable number.

74148201340 is an abundant number, since it is smaller than the sum of its proper divisors (81626242772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74148201340 is a wasteful number, since it uses less digits than its factorization.

74148201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505277 (or 1505275 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 74148201340 its reverse (4310284147), we get a palindrome (78458485487).

The spelling of 74148201340 in words is "seventy-four billion, one hundred forty-eight million, two hundred one thousand, three hundred forty".