70550400 has 96 divisors (see below), whose sum is σ = 232407000. Its totient is φ = 18810880.

The previous prime is 70550393. The next prime is 70550411. The reversal of 70550400 is 405507.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5926 + ... + 13274.

Almost surely, 2^70550400 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 70550400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116203500).

70550400 is an abundant number, since it is smaller than the sum of its proper divisors (161856600).

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

70550400 is a wasteful number, since it uses less digits than its factorization.

70550400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376 (or 7359 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 70550400 is about 8399.4285519909. The cubic root of 70550400 is about 413.2058804630.

Adding to 70550400 its reverse (405507), we get a palindrome (70955907).

The spelling of 70550400 in words is "seventy million, five hundred fifty thousand, four hundred".