70480000 has 80 divisors (see below), whose sum is σ = 175654710. Its totient is φ = 28160000.

The previous prime is 70479991. The next prime is 70480001. The reversal of 70480000 is 8407.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 322624 + 70157376 = 568^2 + 8376^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 70480000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70480001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79560 + ... + 80440.

Almost surely, 2^70480000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87827355).

70480000 is an abundant number, since it is smaller than the sum of its proper divisors (105174710).

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

70480000 is an frugal number, since it uses more digits than its factorization.

70480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 888 counting only the distinct ones).

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

The square root of 70480000 is about 8395.2367447261. The cubic root of 70480000 is about 413.0683930533.

Adding to 70480000 its reverse (8407), we get a palindrome (70488407).

The spelling of 70480000 in words is "seventy million, four hundred eighty thousand".