70455 has 32 divisors (see below), whose sum is σ = 142848. Its totient is φ = 28800.

The previous prime is 70451. The next prime is 70457. The reversal of 70455 is 55407.

It is not a de Polignac number, because 70455 - 2² = 70451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

70455 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1125 + ... + 1185.

It is an arithmetic number, because the mean of its divisors is an integer number (4464).

2⁷⁰⁴⁵⁵ is an apocalyptic number.

70455 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71424).

70455 is a wasteful number, since it uses less digits than its factorization.

70455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 70455 is about 265.4336075180. The cubic root of 70455 is about 41.3019547371.

It can be divided in two parts, 70 and 455, that added together give a palindrome (525).

The spelling of 70455 in words is "seventy thousand, four hundred fifty-five".