172384743740 has 48 divisors (see below), whose sum is σ = 396179652960. Its totient is φ = 62485063680.

The previous prime is 172384743733. The next prime is 172384743743. The reversal of 172384743740 is 47347483271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172384743743) 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, 1182845 + ... + 1320564.

It is an arithmetic number, because the mean of its divisors is an integer number (8253742770).

Almost surely, 2^172384743740 is an apocalyptic number.

172384743740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172384743740 is an abundant number, since it is smaller than the sum of its proper divisors (223794909220).

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

172384743740 is a wasteful number, since it uses less digits than its factorization.

172384743740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503742 (or 2503740 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 172384743740 in words is "one hundred seventy-two billion, three hundred eighty-four million, seven hundred forty-three thousand, seven hundred forty".