72457253766236 has 12 divisors (see below), whose sum is σ = 126828290775312. Its totient is φ = 36220599259008.

The previous prime is 72457253766223. The next prime is 72457253766269. The reversal of 72457253766236 is 63266735275427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006885720 + ... + 2006921823.

It is an arithmetic number, because the mean of its divisors is an integer number (10569024231276).

Almost surely, 2^{72457253766236} is an apocalyptic number.

It is an amenable number.

72457253766236 is a deficient number, since it is larger than the sum of its proper divisors (54371037009076).

72457253766236 is a wasteful number, since it uses less digits than its factorization.

72457253766236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013812060 (or 4013812058 counting only the distinct ones).

The product of its digits is 533433600, while the sum is 65.

The spelling of 72457253766236 in words is "seventy-two trillion, four hundred fifty-seven billion, two hundred fifty-three million, seven hundred sixty-six thousand, two hundred thirty-six".