71401198 has 16 divisors (see below), whose sum is σ = 116996400. Its totient is φ = 32411200.

The previous prime is 71401193. The next prime is 71401283. The reversal of 71401198 is 89110417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71401193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18978 + ... + 22426.

It is an arithmetic number, because the mean of its divisors is an integer number (7312275).

Almost surely, 2^71401198 is an apocalyptic number.

71401198 is a deficient number, since it is larger than the sum of its proper divisors (45595202).

71401198 is a wasteful number, since it uses less digits than its factorization.

71401198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 71401198 is about 8449.9229582287. The cubic root of 71401198 is about 414.8602577839.

It can be divided in two parts, 7140 and 1198, that added together give a palindrome (8338).

The spelling of 71401198 in words is "seventy-one million, four hundred one thousand, one hundred ninety-eight".