70396320 has 96 divisors (see below), whose sum is σ = 234819648. Its totient is φ = 17666048.

The previous prime is 70396301. The next prime is 70396321. The reversal of 70396320 is 2369307.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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 (70396321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3847 + ... + 12473.

It is an arithmetic number, because the mean of its divisors is an integer number (2446038).

Almost surely, 2^70396320 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 70396320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117409824).

70396320 is an abundant number, since it is smaller than the sum of its proper divisors (164423328).

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

70396320 is a wasteful number, since it uses less digits than its factorization.

70396320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662 (or 8654 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 70396320 is about 8390.2514860998. The cubic root of 70396320 is about 412.9048513776.

The spelling of 70396320 in words is "seventy million, three hundred ninety-six thousand, three hundred twenty".