70400010 has 64 divisors (see below), whose sum is σ = 177437952. Its totient is φ = 17842176.

The previous prime is 70400003. The next prime is 70400027. The reversal of 70400010 is 1000407.

It is a super-2 number, since 2×70400010² = 9912322816000200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177132 + ... + 177528.

It is an arithmetic number, because the mean of its divisors is an integer number (2772468).

Almost surely, 2^70400010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70400010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88718976).

70400010 is an abundant number, since it is smaller than the sum of its proper divisors (107037942).

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

70400010 is a wasteful number, since it uses less digits than its factorization.

70400010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

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

The square root of 70400010 is about 8390.4713812753. The cubic root of 70400010 is about 412.9120657333.

Adding to 70400010 its reverse (1000407), we get a palindrome (71400417).

The spelling of 70400010 in words is "seventy million, four hundred thousand, ten".