103663472 has 80 divisors (see below), whose sum is σ = 227664000. Its totient is φ = 45323520.

The previous prime is 103663447. The next prime is 103663477. The reversal of 103663472 is 274366301.

It is a super-2 number, since 2×103663472² = 21492230854189568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103663477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695654 + ... + 695802.

It is an arithmetic number, because the mean of its divisors is an integer number (2845800).

Almost surely, 2^103663472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103663472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113832000).

103663472 is an abundant number, since it is smaller than the sum of its proper divisors (124000528).

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

103663472 is a wasteful number, since it uses less digits than its factorization.

103663472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 103663472 is about 10181.5260152887. The cubic root of 103663472 is about 469.7591522910.

The spelling of 103663472 in words is "one hundred three million, six hundred sixty-three thousand, four hundred seventy-two".