70474320 has 320 divisors, whose sum is σ = 285696000. Its totient is φ = 15634944.

The previous prime is 70474319. The next prime is 70474343. The reversal of 70474320 is 2347407.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 892041 + ... + 892119.

It is an arithmetic number, because the mean of its divisors is an integer number (892800).

Almost surely, 2^70474320 is an apocalyptic number.

70474320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70474320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142848000).

70474320 is an abundant number, since it is smaller than the sum of its proper divisors (215221680).

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

70474320 is a wasteful number, since it uses less digits than its factorization.

70474320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 70474320 is about 8394.8984508450. The cubic root of 70474320 is about 413.0572963284.

The spelling of 70474320 in words is "seventy million, four hundred seventy-four thousand, three hundred twenty".