70370400 has 144 divisors (see below), whose sum is σ = 232016400. Its totient is φ = 18524160.

The previous prime is 70370389. The next prime is 70370407. The reversal of 70370400 is 407307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70370407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261466 + ... + 261734.

It is an arithmetic number, because the mean of its divisors is an integer number (1611225).

Almost surely, 2^70370400 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 70370400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116008200).

70370400 is an abundant number, since it is smaller than the sum of its proper divisors (161646000).

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

70370400 is a wasteful number, since it uses less digits than its factorization.

70370400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 70370400 is about 8388.7066941216. The cubic root of 70370400 is about 412.8541678212.

Adding to 70370400 its reverse (407307), we get a palindrome (70777707).

The spelling of 70370400 in words is "seventy million, three hundred seventy thousand, four hundred".