74172343716 has 81 divisors (see below), whose sum is σ = 197961390081. Its totient is φ = 23413040928.

The previous prime is 74172343711. The next prime is 74172343801. The reversal of 74172343716 is 61734327147.

It is a happy number.

The square root of 74172343716 is 272346.

It is a perfect power (a square), and thus also a powerful number.

74172343716 is a `hidden beast` number, since 7 + 41 + 7 + 234 + 371 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16859983716 + 57312360000 = 129846^2 + 239400^2 .

It is not an unprimeable number, because it can be changed into a prime (74172343711) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31046250 + ... + 31048638.

Almost surely, 2^74172343716 is an apocalyptic number.

74172343716 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

74172343716 is the 272346-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74172343716

74172343716 is an abundant number, since it is smaller than the sum of its proper divisors (123789046365).

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

74172343716 is a wasteful number, since it uses less digits than its factorization.

74172343716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826 (or 2413 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The spelling of 74172343716 in words is "seventy-four billion, one hundred seventy-two million, three hundred forty-three thousand, seven hundred sixteen".