74149807212 has 48 divisors (see below), whose sum is σ = 207027955680. Its totient is φ = 22815324864.

The previous prime is 74149807211. The next prime is 74149807213. The reversal of 74149807212 is 21270894147.

It is an interprime number because it is at equal distance from previous prime (74149807211) and next prime (74149807213).

It is not an unprimeable number, because it can be changed into a prime (74149807211) 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, 26405223 + ... + 26408030.

It is an arithmetic number, because the mean of its divisors is an integer number (4313082410).

Almost surely, 2^74149807212 is an apocalyptic number.

It is an amenable number.

74149807212 is an abundant number, since it is smaller than the sum of its proper divisors (132878148468).

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

74149807212 is a wasteful number, since it uses less digits than its factorization.

74149807212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52813279 (or 52813271 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 74149807212 in words is "seventy-four billion, one hundred forty-nine million, eight hundred seven thousand, two hundred twelve".