70322880 has 224 divisors, whose sum is σ = 245790720. Its totient is φ = 16957440.

The previous prime is 70322869. The next prime is 70322887. The reversal of 70322880 is 8822307.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (70322887) 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, 505851 + ... + 505989.

It is an arithmetic number, because the mean of its divisors is an integer number (1097280).

Almost surely, 2^70322880 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 70322880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122895360).

70322880 is an abundant number, since it is smaller than the sum of its proper divisors (175467840).

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

70322880 is a wasteful number, since it uses less digits than its factorization.

70322880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 70322880 is about 8385.8738363989. The cubic root of 70322880 is about 412.7612156338.

The spelling of 70322880 in words is "seventy million, three hundred twenty-two thousand, eight hundred eighty".