71046290 has 32 divisors (see below), whose sum is σ = 150107904. Its totient is φ = 23699520.

The previous prime is 71046289. The next prime is 71046293. The reversal of 71046290 is 9264017.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71046293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11126 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (4690872).

Almost surely, 2^71046290 is an apocalyptic number.

71046290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71046290 is an abundant number, since it is smaller than the sum of its proper divisors (79061614).

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

71046290 is a wasteful number, since it uses less digits than its factorization.

71046290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27482.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 71046290 is about 8428.8961317601. The cubic root of 71046290 is about 414.1717452767.

The spelling of 71046290 in words is "seventy-one million, forty-six thousand, two hundred ninety".