101724742 has 16 divisors (see below), whose sum is σ = 174769920. Its totient is φ = 43500168.

The previous prime is 101724691. The next prime is 101724743. The reversal of 101724742 is 247427101.

It is a self number, because there is not a number n which added to its sum of digits gives 101724742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101724743) 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, 1242 + ... + 14317.

It is an arithmetic number, because the mean of its divisors is an integer number (10923120).

Almost surely, 2^101724742 is an apocalyptic number.

101724742 is a deficient number, since it is larger than the sum of its proper divisors (73045178).

101724742 is a wasteful number, since it uses less digits than its factorization.

101724742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16035.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 101724742 is about 10085.8684306310. The cubic root of 101724742 is about 466.8122014342.

The spelling of 101724742 in words is "one hundred one million, seven hundred twenty-four thousand, seven hundred forty-two".