70067390 has 16 divisors (see below), whose sum is σ = 126403200. Its totient is φ = 27964320.

The previous prime is 70067369. The next prime is 70067411. The reversal of 70067390 is 9376007.

It is an interprime number because it is at equal distance from previous prime (70067369) and next prime (70067411).

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 2990 + ... + 12209.

It is an arithmetic number, because the mean of its divisors is an integer number (7900200).

Almost surely, 2^70067390 is an apocalyptic number.

70067390 is a deficient number, since it is larger than the sum of its proper divisors (56335810).

70067390 is a wasteful number, since it uses less digits than its factorization.

70067390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15667.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 70067390 is about 8370.6266193159. The cubic root of 70067390 is about 412.2607415704.

The spelling of 70067390 in words is "seventy million, sixty-seven thousand, three hundred ninety".