70318 has 4 divisors (see below), whose sum is σ = 105480. Its totient is φ = 35158.

The previous prime is 70313. The next prime is 70321. The reversal of 70318 is 81307.

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

It is a super-2 number, since 2×70318² = 9889242248, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 70295 and 70304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70313) by changing a digit.

70318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17578 + ... + 17581.

It is an arithmetic number, because the mean of its divisors is an integer number (26370).

2⁷⁰³¹⁸ is an apocalyptic number.

70318 is a deficient number, since it is larger than the sum of its proper divisors (35162).

70318 is a wasteful number, since it uses less digits than its factorization.

70318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35161.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 70318 is about 265.1754136416. The cubic root of 70318 is about 41.2751667668.

The spelling of 70318 in words is "seventy thousand, three hundred eighteen".