103722073 has 12 divisors (see below), whose sum is σ = 129938340. Its totient is φ = 82065312.

The previous prime is 103722071. The next prime is 103722077. The reversal of 103722073 is 370227301.

It can be written as a sum of positive squares in 2 ways, for example, as 63234304 + 40487769 = 7952^2 + 6363^2 .

It is not a de Polignac number, because 103722073 - 2¹ = 103722071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103722071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80778 + ... + 82051.

It is an arithmetic number, because the mean of its divisors is an integer number (10828195).

Almost surely, 2^103722073 is an apocalyptic number.

103722073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103722073 is a deficient number, since it is larger than the sum of its proper divisors (26216267).

103722073 is a wasteful number, since it uses less digits than its factorization.

103722073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162856 (or 162849 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 103722073 is about 10184.4034189539. The cubic root of 103722073 is about 469.8476539587.

Adding to 103722073 its reverse (370227301), we get a palindrome (473949374).

The spelling of 103722073 in words is "one hundred three million, seven hundred twenty-two thousand, seventy-three".