72435735 has 16 divisors (see below), whose sum is σ = 128774880. Its totient is φ = 38632320.

The previous prime is 72435719. The next prime is 72435743. The reversal of 72435735 is 53753427.

It is not a de Polignac number, because 72435735 - 2⁴ = 72435719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72435735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268146 + ... + 268415.

It is an arithmetic number, because the mean of its divisors is an integer number (8048430).

Almost surely, 2^72435735 is an apocalyptic number.

72435735 is a deficient number, since it is larger than the sum of its proper divisors (56339145).

72435735 is a wasteful number, since it uses less digits than its factorization.

72435735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536575 (or 536569 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 72435735 is about 8510.9185755710. The cubic root of 72435735 is about 416.8543044660.

The spelling of 72435735 in words is "seventy-two million, four hundred thirty-five thousand, seven hundred thirty-five".