100080740 has 24 divisors (see below), whose sum is σ = 217418040. Its totient is φ = 38651648.

The previous prime is 100080731. The next prime is 100080763. The reversal of 100080740 is 47080001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31787044 + 68293696 = 5638^2 + 8264^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 85697 + ... + 86856.

It is an arithmetic number, because the mean of its divisors is an integer number (9059085).

Almost surely, 2^100080740 is an apocalyptic number.

100080740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100080740 is an abundant number, since it is smaller than the sum of its proper divisors (117337300).

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

100080740 is a wasteful number, since it uses less digits than its factorization.

100080740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172591 (or 172589 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 100080740 is about 10004.0361854603. The cubic root of 100080740 is about 464.2837703835.

The spelling of 100080740 in words is "one hundred million, eighty thousand, seven hundred forty".