70656343 has 4 divisors (see below), whose sum is σ = 71011600. Its totient is φ = 70301088.

The previous prime is 70656337. The next prime is 70656349. The reversal of 70656343 is 34365607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34365607 = 5003 ⋅6869.

It is an interprime number because it is at equal distance from previous prime (70656337) and next prime (70656349).

It is a cyclic number.

It is not a de Polignac number, because 70656343 - 2⁹ = 70655831 is a prime.

It is a super-2 number, since 2×70656343² = 9984637612267298, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 70656299 and 70656308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70656349) 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, 177330 + ... + 177727.

It is an arithmetic number, because the mean of its divisors is an integer number (17752900).

Almost surely, 2^70656343 is an apocalyptic number.

70656343 is a deficient number, since it is larger than the sum of its proper divisors (355257).

70656343 is a wasteful number, since it uses less digits than its factorization.

70656343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355256.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 70656343 is about 8405.7327461679. The cubic root of 70656343 is about 413.4126091583.

The spelling of 70656343 in words is "seventy million, six hundred fifty-six thousand, three hundred forty-three".