70680619 has 4 divisors (see below), whose sum is σ = 72590944. Its totient is φ = 68770296.

The previous prime is 70680613. The next prime is 70680647. The reversal of 70680619 is 91608607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70680619 - 2⁹ = 70680107 is a prime.

It is a super-2 number, since 2×70680619² = 9991499804446322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1910287 = 70680619 / (7 + 0 + 6 + 8 + 0 + 6 + 1 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70680613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955107 + ... + 955180.

It is an arithmetic number, because the mean of its divisors is an integer number (18147736).

Almost surely, 2^70680619 is an apocalyptic number.

70680619 is a deficient number, since it is larger than the sum of its proper divisors (1910325).

70680619 is a wasteful number, since it uses less digits than its factorization.

70680619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910324.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 70680619 is about 8407.1766366599. The cubic root of 70680619 is about 413.4599502976.

The spelling of 70680619 in words is "seventy million, six hundred eighty thousand, six hundred nineteen".