102072347 has 4 divisors (see below), whose sum is σ = 109924080. Its totient is φ = 94220616.

The previous prime is 102072343. The next prime is 102072353. The reversal of 102072347 is 743270201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102072347 - 2² = 102072343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102072343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925847 + ... + 3925872.

It is an arithmetic number, because the mean of its divisors is an integer number (27481020).

Almost surely, 2^102072347 is an apocalyptic number.

102072347 is a deficient number, since it is larger than the sum of its proper divisors (7851733).

102072347 is an equidigital number, since it uses as much as digits as its factorization.

102072347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851732.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 102072347 is about 10103.0860136891. The cubic root of 102072347 is about 467.3433137108.

The spelling of 102072347 in words is "one hundred two million, seventy-two thousand, three hundred forty-seven".