72335685601 has 4 divisors (see below), whose sum is σ = 72349519104. Its totient is φ = 72321852100.

The previous prime is 72335685599. The next prime is 72335685613. The reversal of 72335685601 is 10658653327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72335685601 - 2¹ = 72335685599 is a prime.

It is a super-2 number, since 2×72335685601² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72335685671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6908905 + ... + 6919366.

It is an arithmetic number, because the mean of its divisors is an integer number (18087379776).

Almost surely, 2^72335685601 is an apocalyptic number.

It is an amenable number.

72335685601 is a deficient number, since it is larger than the sum of its proper divisors (13833503).

72335685601 is a wasteful number, since it uses less digits than its factorization.

72335685601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13833502.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 72335685601 in words is "seventy-two billion, three hundred thirty-five million, six hundred eighty-five thousand, six hundred one".