71073464 has 96 divisors (see below), whose sum is σ = 177539040. Its totient is φ = 26019840.

The previous prime is 71073449. The next prime is 71073467. The reversal of 71073464 is 46437017.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71073464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71073467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114884 + ... + 115500.

It is an arithmetic number, because the mean of its divisors is an integer number (1849365).

Almost surely, 2^71073464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71073464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88769520).

71073464 is an abundant number, since it is smaller than the sum of its proper divisors (106465576).

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

71073464 is a wasteful number, since it uses less digits than its factorization.

71073464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 71073464 is about 8430.5079325032. The cubic root of 71073464 is about 414.2245431001.

The spelling of 71073464 in words is "seventy-one million, seventy-three thousand, four hundred sixty-four".