70763980225 has 27 divisors (see below), whose sum is σ = 88956046249. Its totient is φ = 55841868800.

The previous prime is 70763980201. The next prime is 70763980283. The reversal of 70763980225 is 52208936707.

The square root of 70763980225 is 266015.

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

It can be written as a sum of positive squares in 4 ways, for example, as 7266028081 + 63497952144 = 85241^2 + 251988^2 .

It is not a de Polignac number, because 70763980225 - 2¹¹ = 70763978177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 110395905 + ... + 110396545.

Almost surely, 2^70763980225 is an apocalyptic number.

70763980225 is the 266015-th square number.

70763980225 is the 133008-th centered octagonal number.

It is an amenable number.

70763980225 is a deficient number, since it is larger than the sum of its proper divisors (18192066024).

70763980225 is an frugal number, since it uses more digits than its factorization.

70763980225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

Multiplying 70763980225 by its sum of digits (49), we get a square (3467435031025 = 1862105²).

The spelling of 70763980225 in words is "seventy billion, seven hundred sixty-three million, nine hundred eighty thousand, two hundred twenty-five".