71274090 has 32 divisors (see below), whose sum is σ = 174700800. Its totient is φ = 18601664.

The previous prime is 71274023. The next prime is 71274101. The reversal of 71274090 is 9047217.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 23865 + ... + 26684.

It is an arithmetic number, because the mean of its divisors is an integer number (5459400).

Almost surely, 2^71274090 is an apocalyptic number.

71274090 is an abundant number, since it is smaller than the sum of its proper divisors (103426710).

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

71274090 is a wasteful number, since it uses less digits than its factorization.

71274090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50606.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 71274090 is about 8442.3983559176. The cubic root of 71274090 is about 414.6139342804.

The spelling of 71274090 in words is "seventy-one million, two hundred seventy-four thousand, ninety".