70680519 has 80 divisors (see below), whose sum is σ = 133568512. Its totient is φ = 36251712.

The previous prime is 70680503. The next prime is 70680521. The reversal of 70680519 is 91508607.

It is not a de Polignac number, because 70680519 - 2⁴ = 70680503 is a prime.

It is a super-2 number, since 2×70680519² = 9991471532218722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70680529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 316842 + ... + 317064.

Almost surely, 2^70680519 is an apocalyptic number.

70680519 is a deficient number, since it is larger than the sum of its proper divisors (62887993).

70680519 is a wasteful number, since it uses less digits than its factorization.

70680519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 70680519 is about 8407.1706893580. The cubic root of 70680519 is about 413.4597553078.

It can be divided in two parts, 706 and 80519, that added together give a square (81225 = 285²).

The spelling of 70680519 in words is "seventy million, six hundred eighty thousand, five hundred nineteen".