70010400 has 144 divisors (see below), whose sum is σ = 235484928. Its totient is φ = 18048000.

The previous prime is 70010399. The next prime is 70010441. The reversal of 70010400 is 401007.

It is a super-2 number, since 2×70010400² = 9802912216320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73930 + ... + 74870.

It is an arithmetic number, because the mean of its divisors is an integer number (1635312).

Almost surely, 2^70010400 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 70010400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117742464).

70010400 is an abundant number, since it is smaller than the sum of its proper divisors (165474528).

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

70010400 is a wasteful number, since it uses less digits than its factorization.

70010400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 70010400 is about 8367.2217611343. The cubic root of 70010400 is about 412.1489391450.

Adding to 70010400 its reverse (401007), we get a palindrome (70411407).

The spelling of 70010400 in words is "seventy million, ten thousand, four hundred".