100730949 has 32 divisors (see below), whose sum is σ = 153930240. Its totient is φ = 58027200.

The previous prime is 100730941. The next prime is 100730957. The reversal of 100730949 is 949037001.

It is an interprime number because it is at equal distance from previous prime (100730941) and next prime (100730957).

It is not a de Polignac number, because 100730949 - 2³ = 100730941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100730941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63334 + ... + 64904.

It is an arithmetic number, because the mean of its divisors is an integer number (4810320).

Almost surely, 2^100730949 is an apocalyptic number.

It is an amenable number.

100730949 is a deficient number, since it is larger than the sum of its proper divisors (53199291).

100730949 is a wasteful number, since it uses less digits than its factorization.

100730949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 100730949 is about 10036.4809071706. The cubic root of 100730949 is about 465.2870605821.

The spelling of 100730949 in words is "one hundred million, seven hundred thirty thousand, nine hundred forty-nine".