72035723573 has 8 divisors (see below), whose sum is σ = 78715189056. Its totient is φ = 65378052000.

The previous prime is 72035723569. The next prime is 72035723579. The reversal of 72035723573 is 37532753027.

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

It is a cyclic number.

It is not a de Polignac number, because 72035723573 - 2² = 72035723569 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 (72035723579) 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, 5441561 + ... + 5454782.

It is an arithmetic number, because the mean of its divisors is an integer number (9839398632).

Almost surely, 2^72035723573 is an apocalyptic number.

It is an amenable number.

72035723573 is a deficient number, since it is larger than the sum of its proper divisors (6679465483).

72035723573 is a wasteful number, since it uses less digits than its factorization.

72035723573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10896955.

The product of its (nonzero) digits is 926100, while the sum is 44.

The spelling of 72035723573 in words is "seventy-two billion, thirty-five million, seven hundred twenty-three thousand, five hundred seventy-three".