70100480 has 80 divisors (see below), whose sum is σ = 170145360. Its totient is φ = 27697152.

The previous prime is 70100473. The next prime is 70100491. The reversal of 70100480 is 8400107.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355742 + ... + 355938.

It is an arithmetic number, because the mean of its divisors is an integer number (2126817).

Almost surely, 2^70100480 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 70100480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85072680).

70100480 is an abundant number, since it is smaller than the sum of its proper divisors (100044880).

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

70100480 is a wasteful number, since it uses less digits than its factorization.

70100480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 70100480 is about 8372.6029405436. The cubic root of 70100480 is about 412.3256293926.

Adding to 70100480 its reverse (8400107), we get a palindrome (78500587).

The spelling of 70100480 in words is "seventy million, one hundred thousand, four hundred eighty".