107200072645 has 8 divisors (see below), whose sum is σ = 129820272120. Its totient is φ = 84973268160.

The previous prime is 107200072631. The next prime is 107200072687. The reversal of 107200072645 is 546270002701.

It can be written as a sum of positive squares in 4 ways, for example, as 2675889441 + 104524183204 = 51729^2 + 323302^2 .

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

It is not a de Polignac number, because 107200072645 - 2¹¹ = 107200070597 is a prime.

It is a super-2 number, since 2×107200072645² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 107200072645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98348146 + ... + 98349235.

It is an arithmetic number, because the mean of its divisors is an integer number (16227534015).

Almost surely, 2^107200072645 is an apocalyptic number.

It is an amenable number.

107200072645 is a deficient number, since it is larger than the sum of its proper divisors (22620199475).

107200072645 is a wasteful number, since it uses less digits than its factorization.

107200072645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196697495.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 107200072645 in words is "one hundred seven billion, two hundred million, seventy-two thousand, six hundred forty-five".