70190406 has 144 divisors (see below), whose sum is σ = 187644912. Its totient is φ = 18817920.

The previous prime is 70190381. The next prime is 70190423. The reversal of 70190406 is 60409107.

70190406 is a `hidden beast` number, since 70 + 190 + 406 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 70190406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1047585 + ... + 1047651.

Almost surely, 2^70190406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70190406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93822456).

70190406 is an abundant number, since it is smaller than the sum of its proper divisors (117454506).

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

70190406 is a wasteful number, since it uses less digits than its factorization.

70190406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70190406 is about 8377.9714728567. The cubic root of 70190406 is about 412.5018666582.

The spelling of 70190406 in words is "seventy million, one hundred ninety thousand, four hundred six".