70401400 has 24 divisors (see below), whose sum is σ = 163683720. Its totient is φ = 28160480.

The previous prime is 70401391. The next prime is 70401407. The reversal of 70401400 is 410407.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70401407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175804 + ... + 176203.

It is an arithmetic number, because the mean of its divisors is an integer number (6820155).

Almost surely, 2^70401400 is an apocalyptic number.

It is an amenable number.

70401400 is an abundant number, since it is smaller than the sum of its proper divisors (93282320).

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

70401400 is a wasteful number, since it uses less digits than its factorization.

70401400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352023 (or 352014 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 70401400 is about 8390.5542129230. The cubic root of 70401400 is about 412.9147832708.

Adding to 70401400 its reverse (410407), we get a palindrome (70811807).

The spelling of 70401400 in words is "seventy million, four hundred one thousand, four hundred".