100748840 has 32 divisors (see below), whose sum is σ = 227335680. Its totient is φ = 40183872.

The previous prime is 100748827. The next prime is 100748863. The reversal of 100748840 is 48847001.

It is a super-2 number, since 2×100748840² = 20300657522691200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100748797 and 100748806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11249 + ... + 18111.

It is an arithmetic number, because the mean of its divisors is an integer number (7104240).

Almost surely, 2^100748840 is an apocalyptic number.

100748840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100748840 is an abundant number, since it is smaller than the sum of its proper divisors (126586840).

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

100748840 is a wasteful number, since it uses less digits than its factorization.

100748840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241 (or 7237 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 100748840 is about 10037.3721660602. The cubic root of 100748840 is about 465.3146057675.

The spelling of 100748840 in words is "one hundred million, seven hundred forty-eight thousand, eight hundred forty".