100270720 has 64 divisors (see below), whose sum is σ = 261519840. Its totient is φ = 36459520.

The previous prime is 100270717. The next prime is 100270721. The reversal of 100270720 is 27072001.

It is a tau number, because it is divible by the number of its divisors (64).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (100270721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82 + ... + 14161.

Almost surely, 2^100270720 is an apocalyptic number.

100270720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100270720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130759920).

100270720 is an abundant number, since it is smaller than the sum of its proper divisors (161249120).

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

100270720 is a wasteful number, since it uses less digits than its factorization.

100270720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14273 (or 14261 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 100270720 is about 10013.5268512148. The cubic root of 100270720 is about 464.5773629285.

The spelling of 100270720 in words is "one hundred million, two hundred seventy thousand, seven hundred twenty".