74229100272 has 40 divisors (see below), whose sum is σ = 213065011280. Its totient is φ = 24743033280.

The previous prime is 74229100261. The next prime is 74229100279. The reversal of 74229100272 is 27200192247.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74229100279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85912879 + ... + 85913742.

It is an arithmetic number, because the mean of its divisors is an integer number (5326625282).

Almost surely, 2^74229100272 is an apocalyptic number.

74229100272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74229100272 is an abundant number, since it is smaller than the sum of its proper divisors (138835911008).

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

74229100272 is a wasteful number, since it uses less digits than its factorization.

74229100272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171826638 (or 171826626 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 74229100272 in words is "seventy-four billion, two hundred twenty-nine million, one hundred thousand, two hundred seventy-two".