72065355704 has 32 divisors (see below), whose sum is σ = 135703509840. Its totient is φ = 35878080000.

The previous prime is 72065355601. The next prime is 72065355737. The reversal of 72065355704 is 40755356027.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786154 + ... + 1826054.

Almost surely, 2^72065355704 is an apocalyptic number.

It is an amenable number.

72065355704 is a deficient number, since it is larger than the sum of its proper divisors (63638154136).

72065355704 is a wasteful number, since it uses less digits than its factorization.

72065355704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40871 (or 40867 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 44.

The spelling of 72065355704 in words is "seventy-two billion, sixty-five million, three hundred fifty-five thousand, seven hundred four".