103720773 has 32 divisors (see below), whose sum is σ = 153911296. Its totient is φ = 61725888.

The previous prime is 103720763. The next prime is 103720781. The reversal of 103720773 is 377027301.

It is not a de Polignac number, because 103720773 - 2⁹ = 103720261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103720773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103720763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212736 + ... + 213222.

It is an arithmetic number, because the mean of its divisors is an integer number (4809728).

Almost surely, 2^103720773 is an apocalyptic number.

103720773 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103720773 is a deficient number, since it is larger than the sum of its proper divisors (50190523).

103720773 is a wasteful number, since it uses less digits than its factorization.

103720773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 103720773 is about 10184.3395956733. The cubic root of 103720773 is about 469.8456910062.

The spelling of 103720773 in words is "one hundred three million, seven hundred twenty thousand, seven hundred seventy-three".