70408430 has 8 divisors (see below), whose sum is σ = 126735192. Its totient is φ = 28163368.

The previous prime is 70408423. The next prime is 70408463. The reversal of 70408430 is 3480407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70408430.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3520412 + ... + 3520431.

It is an arithmetic number, because the mean of its divisors is an integer number (15841899).

Almost surely, 2^70408430 is an apocalyptic number.

70408430 is a deficient number, since it is larger than the sum of its proper divisors (56326762).

70408430 is a wasteful number, since it uses less digits than its factorization.

70408430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040850.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 70408430 is about 8390.9731259253. The cubic root of 70408430 is about 412.9285268152.

Adding to 70408430 its reverse (3480407), we get a palindrome (73888837).

The spelling of 70408430 in words is "seventy million, four hundred eight thousand, four hundred thirty".