70054320 has 320 divisors, whose sum is σ = 271411200. Its totient is φ = 14902272.

The previous prime is 70054301. The next prime is 70054333. The reversal of 70054320 is 2345007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1893342 + ... + 1893378.

It is an arithmetic number, because the mean of its divisors is an integer number (848160).

Almost surely, 2^70054320 is an apocalyptic number.

70054320 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 70054320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135705600).

70054320 is an abundant number, since it is smaller than the sum of its proper divisors (201356880).

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

70054320 is a wasteful number, since it uses less digits than its factorization.

70054320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 70054320 is about 8369.8458767172. The cubic root of 70054320 is about 412.2351063309.

Adding to 70054320 its reverse (2345007), we get a palindrome (72399327).

It can be divided in two parts, 7005 and 4320, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 70054320 in words is "seventy million, fifty-four thousand, three hundred twenty".