70675393 has 4 divisors (see below), whose sum is σ = 71834068. Its totient is φ = 69516720.

The previous prime is 70675379. The next prime is 70675427. The reversal of 70675393 is 39357607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39357607 = 19 ⋅2071453.

It can be written as a sum of positive squares in 2 ways, for example, as 4870849 + 65804544 = 2207^2 + 8112^2 .

It is a cyclic number.

It is not a de Polignac number, because 70675393 - 2⁵ = 70675361 is a prime.

It is a super-2 number, since 2×70675393² = 9990022351408898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70675093) 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, 579246 + ... + 579367.

It is an arithmetic number, because the mean of its divisors is an integer number (17958517).

Almost surely, 2^70675393 is an apocalyptic number.

It is an amenable number.

70675393 is a deficient number, since it is larger than the sum of its proper divisors (1158675).

70675393 is a wasteful number, since it uses less digits than its factorization.

70675393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158674.

The product of its (nonzero) digits is 119070, while the sum is 40.

The square root of 70675393 is about 8406.8658250266. The cubic root of 70675393 is about 413.4497598806.

The spelling of 70675393 in words is "seventy million, six hundred seventy-five thousand, three hundred ninety-three".