71460306 has 20 divisors (see below), whose sum is σ = 160124382. Its totient is φ = 23820048.

The previous prime is 71460247. The next prime is 71460329. The reversal of 71460306 is 60306417.

It can be written as a sum of positive squares in only one way, i.e., 55130625 + 16329681 = 7425^2 + 4041^2 .

It is a super-2 number, since 2×71460306² = 10213150667227272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 71460306.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 220395 + ... + 220718.

Almost surely, 2^71460306 is an apocalyptic number.

71460306 is an abundant number, since it is smaller than the sum of its proper divisors (88664076).

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

71460306 is a wasteful number, since it uses less digits than its factorization.

71460306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441127 (or 441118 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 71460306 is about 8453.4197813666. The cubic root of 71460306 is about 414.9747040274.

The spelling of 71460306 in words is "seventy-one million, four hundred sixty thousand, three hundred six".