102742827372 has 18 divisors (see below), whose sum is σ = 259711035948. Its totient is φ = 34247609112.

The previous prime is 102742827361. The next prime is 102742827391. The reversal of 102742827372 is 273728247201.

102742827372 is a `hidden beast` number, since 1 + 0 + 274 + 2 + 8 + 2 + 7 + 372 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1426983678 + ... + 1426983749.

It is an arithmetic number, because the mean of its divisors is an integer number (14428390886).

Almost surely, 2^102742827372 is an apocalyptic number.

102742827372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102742827372 is an abundant number, since it is smaller than the sum of its proper divisors (156968208576).

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

102742827372 is a wasteful number, since it uses less digits than its factorization.

102742827372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853967437 (or 2853967432 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 102742827372 in words is "one hundred two billion, seven hundred forty-two million, eight hundred twenty-seven thousand, three hundred seventy-two".