70948182321 has 27 divisors (see below), whose sum is σ = 108181459659. Its totient is φ = 44799789312.

The previous prime is 70948182293. The next prime is 70948182323. The reversal of 70948182321 is 12328184907.

It is a happy number.

The square root of 70948182321 is 266361.

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

70948182321 is a `hidden beast` number, since 70 + 9 + 481 + 82 + 3 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68003600625 + 2944581696 = 260775^2 + 54264^2 .

It is not a de Polignac number, because 70948182321 - 2⁵ = 70948182289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70948182323) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15180241 + ... + 15184913.

Almost surely, 2^70948182321 is an apocalyptic number.

70948182321 is the 266361-st square number.

70948182321 is the 133181-st centered octagonal number.

It is an amenable number.

70948182321 is a deficient number, since it is larger than the sum of its proper divisors (37233277338).

70948182321 is an frugal number, since it uses more digits than its factorization.

70948182321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390 (or 4695 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 70948182321 in words is "seventy billion, nine hundred forty-eight million, one hundred eighty-two thousand, three hundred twenty-one".