71264406 has 32 divisors (see below), whose sum is σ = 144458496. Its totient is φ = 23436000.

The previous prime is 71264377. The next prime is 71264407. The reversal of 71264406 is 60446217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71264407) 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, 228991 + ... + 229301.

It is an arithmetic number, because the mean of its divisors is an integer number (4514328).

Almost surely, 2^71264406 is an apocalyptic number.

71264406 is an abundant number, since it is smaller than the sum of its proper divisors (73194090).

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

71264406 is a wasteful number, since it uses less digits than its factorization.

71264406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 71264406 is about 8441.8248027307. The cubic root of 71264406 is about 414.5951555854.

The spelling of 71264406 in words is "seventy-one million, two hundred sixty-four thousand, four hundred six".