70465219 has 4 divisors (see below), whose sum is σ = 76871160. Its totient is φ = 64059280.

The previous prime is 70465193. The next prime is 70465223. The reversal of 70465219 is 91256407.

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 70465219 - 2²³ = 62076611 is a prime.

It is a super-2 number, since 2×70465219² = 9930694177435922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70465259) 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, 3202954 + ... + 3202975.

It is an arithmetic number, because the mean of its divisors is an integer number (19217790).

Almost surely, 2^70465219 is an apocalyptic number.

70465219 is a deficient number, since it is larger than the sum of its proper divisors (6405941).

70465219 is a wasteful number, since it uses less digits than its factorization.

70465219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405940.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 70465219 is about 8394.3563779482. The cubic root of 70465219 is about 413.0395149281.

It can be divided in two parts, 704 and 65219, that multiplied together give a square (45914176 = 6776²).

The spelling of 70465219 in words is "seventy million, four hundred sixty-five thousand, two hundred nineteen".