70258320 has 160 divisors (see below), whose sum is σ = 264090240. Its totient is φ = 17026560.

The previous prime is 70258273. The next prime is 70258367. The reversal of 70258320 is 2385207.

It is an interprime number because it is at equal distance from previous prime (70258273) and next prime (70258367).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22282 + ... + 25238.

It is an arithmetic number, because the mean of its divisors is an integer number (1650564).

Almost surely, 2^70258320 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 70258320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132045120).

70258320 is an abundant number, since it is smaller than the sum of its proper divisors (193831920).

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

70258320 is a wasteful number, since it uses less digits than its factorization.

70258320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70258320 is about 8382.0236220140. The cubic root of 70258320 is about 412.6348649926.

The spelling of 70258320 in words is "seventy million, two hundred fifty-eight thousand, three hundred twenty".