71004198 has 32 divisors (see below), whose sum is σ = 147317760. Its totient is φ = 22790880.

The previous prime is 71004179. The next prime is 71004203. The reversal of 71004198 is 89140017.

It is a super-2 number, since 2×71004198² = 10083192267246408, which contains 22 as substring.

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, 41761 + ... + 43427.

It is an arithmetic number, because the mean of its divisors is an integer number (4603680).

Almost surely, 2^71004198 is an apocalyptic number.

71004198 is an abundant number, since it is smaller than the sum of its proper divisors (76313562).

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

71004198 is a wasteful number, since it uses less digits than its factorization.

71004198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 71004198 is about 8426.3988749643. The cubic root of 71004198 is about 414.0899358861.

The spelling of 71004198 in words is "seventy-one million, four thousand, one hundred ninety-eight".