70745892361 has 9 divisors (see below), whose sum is σ = 74670666381. Its totient is φ = 67017636684.

The previous prime is 70745892359. The next prime is 70745892379. The reversal of 70745892361 is 16329854707.

The square root of 70745892361 is 265981.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 70745892361 - 2¹ = 70745892359 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70745892299 and 70745892308.

It is not an unprimeable number, because it can be changed into a prime (70745892761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5046640 + ... + 5060638.

It is an arithmetic number, because the mean of its divisors is an integer number (8296740709).

It is a 1-persistent number, because it is pandigital, but 2⋅70745892361 = 141491784722 is not.

Almost surely, 2^70745892361 is an apocalyptic number.

70745892361 is the 265981-st square number.

70745892361 is the 132991-st centered octagonal number.

It is an amenable number.

70745892361 is a deficient number, since it is larger than the sum of its proper divisors (3924774020).

70745892361 is an frugal number, since it uses more digits than its factorization.

70745892361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28036 (or 14018 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 70745892361 in words is "seventy billion, seven hundred forty-five million, eight hundred ninety-two thousand, three hundred sixty-one".