100496720 has 20 divisors (see below), whose sum is σ = 233655060. Its totient is φ = 40198656.

The previous prime is 100496713. The next prime is 100496723. The reversal of 100496720 is 27694001.

It can be written as a sum of positive squares in 2 ways, for example, as 45914176 + 54582544 = 6776^2 + 7388^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100496723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628025 + ... + 628184.

It is an arithmetic number, because the mean of its divisors is an integer number (11682753).

Almost surely, 2^100496720 is an apocalyptic number.

100496720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100496720 is an abundant number, since it is smaller than the sum of its proper divisors (133158340).

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

100496720 is a wasteful number, since it uses less digits than its factorization.

100496720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256222 (or 1256216 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 100496720 is about 10024.8052350158. The cubic root of 100496720 is about 464.9261377266.

The spelling of 100496720 in words is "one hundred million, four hundred ninety-six thousand, seven hundred twenty".