70463677 has 4 divisors (see below), whose sum is σ = 70480476. Its totient is φ = 70446880.

The previous prime is 70463663. The next prime is 70463681. The reversal of 70463677 is 77636407.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77636407 = 401 ⋅193607.

It can be written as a sum of positive squares in 2 ways, for example, as 61136761 + 9326916 = 7819^2 + 3054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70463677 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70463777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3777 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (17620119).

Almost surely, 2^70463677 is an apocalyptic number.

It is an amenable number.

70463677 is a deficient number, since it is larger than the sum of its proper divisors (16799).

70463677 is an equidigital number, since it uses as much as digits as its factorization.

70463677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16798.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 70463677 is about 8394.2645300229. The cubic root of 70463677 is about 413.0365020395.

The spelling of 70463677 in words is "seventy million, four hundred sixty-three thousand, six hundred seventy-seven".