71406492 has 24 divisors (see below), whose sum is σ = 167034000. Its totient is φ = 23742336.

The previous prime is 71406487. The next prime is 71406499. The reversal of 71406492 is 29460417.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71406499) 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 7 ways as a sum of consecutive naturals, for example, 2367 + ... + 12182.

It is an arithmetic number, because the mean of its divisors is an integer number (6959750).

Almost surely, 2^71406492 is an apocalyptic number.

It is an amenable number.

71406492 is an abundant number, since it is smaller than the sum of its proper divisors (95627508).

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

71406492 is a wasteful number, since it uses less digits than its factorization.

71406492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14965 (or 14963 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 71406492 is about 8450.2362097163. The cubic root of 71406492 is about 414.8705107208.

The spelling of 71406492 in words is "seventy-one million, four hundred six thousand, four hundred ninety-two".