72103758 has 24 divisors (see below), whose sum is σ = 150756648. Its totient is φ = 22988592.

The previous prime is 72103751. The next prime is 72103807. The reversal of 72103758 is 85730127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72103751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8185 + ... + 14532.

It is an arithmetic number, because the mean of its divisors is an integer number (6281527).

Almost surely, 2^72103758 is an apocalyptic number.

72103758 is an abundant number, since it is smaller than the sum of its proper divisors (78652890).

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

72103758 is a wasteful number, since it uses less digits than its factorization.

72103758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22768 (or 22745 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 72103758 is about 8491.3931719124. The cubic root of 72103758 is about 416.2165069679.

The spelling of 72103758 in words is "seventy-two million, one hundred three thousand, seven hundred fifty-eight".