103072747 has 4 divisors (see below), whose sum is σ = 103093560. Its totient is φ = 103051936.

The previous prime is 103072741. The next prime is 103072771. The reversal of 103072747 is 747270301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747270301 = 15733 ⋅47497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103072747 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103072741) 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, 1779 + ... + 14467.

It is an arithmetic number, because the mean of its divisors is an integer number (25773390).

Almost surely, 2^103072747 is an apocalyptic number.

103072747 is a deficient number, since it is larger than the sum of its proper divisors (20813).

103072747 is an equidigital number, since it uses as much as digits as its factorization.

103072747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20812.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 103072747 is about 10152.4749199395. The cubic root of 103072747 is about 468.8651464206.

The spelling of 103072747 in words is "one hundred three million, seventy-two thousand, seven hundred forty-seven".