70480 has 20 divisors (see below), whose sum is σ = 164052. Its totient is φ = 28160.

The previous prime is 70459. The next prime is 70481. The reversal of 70480 is 8407.

70480 = T₅₃ + T₅₄ + ... + T₈₂.

It is a happy number.

70480 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 18496 + 51984 = 136^2 + 228^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70481) 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, 361 + ... + 520.

2⁷⁰⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

70480 is an abundant number, since it is smaller than the sum of its proper divisors (93572).

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 (82026).

70480 is a wasteful number, since it uses less digits than its factorization.

70480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 70480 is about 265.4806960967. The cubic root of 70480 is about 41.3068393053.

Adding to 70480 its reverse (8407), we get a palindrome (78887).

It can be divided in two parts, 704 and 80, that added together give a square (784 = 28²).

The spelling of 70480 in words is "seventy thousand, four hundred eighty".