100649734 has 4 divisors (see below), whose sum is σ = 150974604. Its totient is φ = 50324866.

The previous prime is 100649723. The next prime is 100649737. The reversal of 100649734 is 437946001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100649734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100649737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25162432 + ... + 25162435.

It is an arithmetic number, because the mean of its divisors is an integer number (37743651).

Almost surely, 2^100649734 is an apocalyptic number.

100649734 is a deficient number, since it is larger than the sum of its proper divisors (50324870).

100649734 is an equidigital number, since it uses as much as digits as its factorization.

100649734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50324869.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 100649734 is about 10032.4341014531. The cubic root of 100649734 is about 465.1619800276.

The spelling of 100649734 in words is "one hundred million, six hundred forty-nine thousand, seven hundred thirty-four".