70149198 has 32 divisors (see below), whose sum is σ = 160660224. Its totient is φ = 20002752.

The previous prime is 70149179. The next prime is 70149203. The reversal of 70149198 is 89194107.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24561 + ... + 27267.

It is an arithmetic number, because the mean of its divisors is an integer number (5020632).

Almost surely, 2^70149198 is an apocalyptic number.

70149198 is an abundant number, since it is smaller than the sum of its proper divisors (90511026).

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

70149198 is a wasteful number, since it uses less digits than its factorization.

70149198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 70149198 is about 8375.5118052570. The cubic root of 70149198 is about 412.4211257826.

The spelling of 70149198 in words is "seventy million, one hundred forty-nine thousand, one hundred ninety-eight".