71372590 has 8 divisors (see below), whose sum is σ = 128470680. Its totient is φ = 28549032.

The previous prime is 71372573. The next prime is 71372597. The reversal of 71372590 is 9527317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71372597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568620 + ... + 3568639.

It is an arithmetic number, because the mean of its divisors is an integer number (16058835).

Almost surely, 2^71372590 is an apocalyptic number.

71372590 is a deficient number, since it is larger than the sum of its proper divisors (57098090).

71372590 is a wasteful number, since it uses less digits than its factorization.

71372590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137266.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 71372590 is about 8448.2299921344. The cubic root of 71372590 is about 414.8048436452.

The spelling of 71372590 in words is "seventy-one million, three hundred seventy-two thousand, five hundred ninety".