73107725213612 has 12 divisors (see below), whose sum is σ = 127943575559856. Its totient is φ = 36552417910800.

The previous prime is 73107725213603. The next prime is 73107725213657. The reversal of 73107725213612 is 21631252770137.

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, 361060139 + ... + 361262562.

It is an arithmetic number, because the mean of its divisors is an integer number (10661964629988).

Almost surely, 2^{73107725213612} is an apocalyptic number.

It is an amenable number.

73107725213612 is a deficient number, since it is larger than the sum of its proper divisors (54835850346244).

73107725213612 is a wasteful number, since it uses less digits than its factorization.

73107725213612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722348008 (or 722348006 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 47.

Adding to 73107725213612 its reverse (21631252770137), we get a palindrome (94738977983749).

The spelling of 73107725213612 in words is "seventy-three trillion, one hundred seven billion, seven hundred twenty-five million, two hundred thirteen thousand, six hundred twelve".