70732661725571 has 8 divisors (see below), whose sum is σ = 73029885702144. Its totient is φ = 68436408074760.

The previous prime is 70732661725567. The next prime is 70732661725577. The reversal of 70732661725571 is 17552716623707.

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 70732661725571 - 2² = 70732661725567 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 70732661725571.

It is not an unprimeable number, because it can be changed into a prime (70732661725577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242433281 + ... + 242724866.

It is an arithmetic number, because the mean of its divisors is an integer number (9128735712768).

Almost surely, 2^{70732661725571} is an apocalyptic number.

70732661725571 is a deficient number, since it is larger than the sum of its proper divisors (2297223976573).

70732661725571 is a wasteful number, since it uses less digits than its factorization.

70732661725571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485162881.

The product of its (nonzero) digits is 25930800, while the sum is 59.

The spelling of 70732661725571 in words is "seventy trillion, seven hundred thirty-two billion, six hundred sixty-one million, seven hundred twenty-five thousand, five hundred seventy-one".