72100735 has 8 divisors (see below), whose sum is σ = 98881056. Its totient is φ = 49440480.

The previous prime is 72100733. The next prime is 72100739. The reversal of 72100735 is 53700127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72100735 - 2¹ = 72100733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72100733) 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, 1029976 + ... + 1030045.

It is an arithmetic number, because the mean of its divisors is an integer number (12360132).

Almost surely, 2^72100735 is an apocalyptic number.

72100735 is a deficient number, since it is larger than the sum of its proper divisors (26780321).

72100735 is a wasteful number, since it uses less digits than its factorization.

72100735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060033.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 72100735 is about 8491.2151662763. The cubic root of 72100735 is about 416.2106901648.

The spelling of 72100735 in words is "seventy-two million, one hundred thousand, seven hundred thirty-five".