70050400 has 108 divisors (see below), whose sum is σ = 199041948. Its totient is φ = 24003840.

The previous prime is 70050389. The next prime is 70050451. The reversal of 70050400 is 405007.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38307 + ... + 40093.

It is an arithmetic number, because the mean of its divisors is an integer number (1842981).

Almost surely, 2^70050400 is an apocalyptic number.

70050400 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 70050400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99520974).

70050400 is an abundant number, since it is smaller than the sum of its proper divisors (128991548).

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

70050400 is a wasteful number, since it uses less digits than its factorization.

70050400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 70050400 is about 8369.6116994757. The cubic root of 70050400 is about 412.2274170989.

Adding to 70050400 its reverse (405007), we get a palindrome (70455407).

The spelling of 70050400 in words is "seventy million, fifty thousand, four hundred".