71401190 has 64 divisors (see below), whose sum is σ = 160963200. Its totient is φ = 22235136.

The previous prime is 71401181. The next prime is 71401193. The reversal of 71401190 is 9110417.

It is a super-2 number, since 2×71401190² = 10196259866832200, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 33476 + ... + 35544.

It is an arithmetic number, because the mean of its divisors is an integer number (2515050).

Almost surely, 2^71401190 is an apocalyptic number.

71401190 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71401190 is an abundant number, since it is smaller than the sum of its proper divisors (89562010).

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

71401190 is a wasteful number, since it uses less digits than its factorization.

71401190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 71401190 is about 8449.9224848516. The cubic root of 71401190 is about 414.8602422899.

The spelling of 71401190 in words is "seventy-one million, four hundred one thousand, one hundred ninety".