74198223072 has 96 divisors (see below), whose sum is σ = 218554428960. Its totient is φ = 24487833600.

The previous prime is 74198223049. The next prime is 74198223091. The reversal of 74198223072 is 27032289147.

74198223072 is a `hidden beast` number, since 7 + 419 + 8 + 223 + 0 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337873 + ... + 512400.

It is an arithmetic number, because the mean of its divisors is an integer number (2276608635).

Almost surely, 2^74198223072 is an apocalyptic number.

74198223072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74198223072 is an abundant number, since it is smaller than the sum of its proper divisors (144356205888).

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

74198223072 is a wasteful number, since it uses less digits than its factorization.

74198223072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850393 (or 850379 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 74198223072 in words is "seventy-four billion, one hundred ninety-eight million, two hundred twenty-three thousand, seventy-two".