70198406 has 16 divisors (see below), whose sum is σ = 113022864. Its totient is φ = 32580864.

The previous prime is 70198391. The next prime is 70198409. The reversal of 70198406 is 60489107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70198409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11660 + ... + 16623.

It is an arithmetic number, because the mean of its divisors is an integer number (7063929).

Almost surely, 2^70198406 is an apocalyptic number.

70198406 is a deficient number, since it is larger than the sum of its proper divisors (42824458).

70198406 is a wasteful number, since it uses less digits than its factorization.

70198406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28375.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 70198406 is about 8378.4489017956. The cubic root of 70198406 is about 412.5175377912.

The spelling of 70198406 in words is "seventy million, one hundred ninety-eight thousand, four hundred six".