70153 has 6 divisors (see below), whose sum is σ = 73482. Its totient is φ = 66960.

The previous prime is 70141. The next prime is 70157. The reversal of 70153 is 35107.

It can be written as a sum of positive squares in only one way, i.e., 61504 + 8649 = 248^2 + 93^2 .

It is not a de Polignac number, because 70153 - 2⁵ = 70121 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (70157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 925 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (12247).

2⁷⁰¹⁵³ is an apocalyptic number.

70153 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

70153 is a deficient number, since it is larger than the sum of its proper divisors (3329).

70153 is an equidigital number, since it uses as much as digits as its factorization.

70153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 70153 is about 264.8641161048. The cubic root of 70153 is about 41.2428576553.

The spelling of 70153 in words is "seventy thousand, one hundred fifty-three".