70912261728 has 192 divisors, whose sum is σ = 257863011840. Its totient is φ = 18418752000.

The previous prime is 70912261691. The next prime is 70912261753. The reversal of 70912261728 is 82716221907.

It is a happy number.

70912261728 is a `hidden beast` number, since 7 + 0 + 9 + 1 + 2 + 2 + 617 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466423 + ... + 599478.

It is an arithmetic number, because the mean of its divisors is an integer number (1343036520).

Almost surely, 2^70912261728 is an apocalyptic number.

It is an amenable number.

70912261728 is an abundant number, since it is smaller than the sum of its proper divisors (186950750112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70912261728 is a wasteful number, since it uses less digits than its factorization.

70912261728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065938 (or 1065924 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 70912261728 in words is "seventy billion, nine hundred twelve million, two hundred sixty-one thousand, seven hundred twenty-eight".