73151725657 has 8 divisors (see below), whose sum is σ = 73430952192. Its totient is φ = 72872568000.

The previous prime is 73151725649. The next prime is 73151725681. The reversal of 73151725657 is 75652715137.

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

It is a cyclic number.

It is not a de Polignac number, because 73151725657 - 2³ = 73151725649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73151725657.

It is not an unprimeable number, because it can be changed into a prime (73151725957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3349788 + ... + 3371554.

It is an arithmetic number, because the mean of its divisors is an integer number (9178869024).

Almost surely, 2^73151725657 is an apocalyptic number.

It is an amenable number.

73151725657 is a deficient number, since it is larger than the sum of its proper divisors (279226535).

73151725657 is a wasteful number, since it uses less digits than its factorization.

73151725657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34439.

The product of its digits is 1543500, while the sum is 49.

The spelling of 73151725657 in words is "seventy-three billion, one hundred fifty-one million, seven hundred twenty-five thousand, six hundred fifty-seven".