70400311 has 8 divisors (see below), whose sum is σ = 70939440. Its totient is φ = 69863808.

The previous prime is 70400293. The next prime is 70400357. The reversal of 70400311 is 11300407.

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

It is a cyclic number.

It is not a de Polignac number, because 70400311 - 2²¹ = 68303159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70400611) 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 7 ways as a sum of consecutive naturals, for example, 106500 + ... + 107158.

It is an arithmetic number, because the mean of its divisors is an integer number (8867430).

Almost surely, 2^70400311 is an apocalyptic number.

70400311 is a deficient number, since it is larger than the sum of its proper divisors (539129).

70400311 is a wasteful number, since it uses less digits than its factorization.

70400311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 70400311 is about 8390.4893182698. The cubic root of 70400311 is about 412.9126542103.

Adding to 70400311 its reverse (11300407), we get a palindrome (81700718).

The spelling of 70400311 in words is "seventy million, four hundred thousand, three hundred eleven".