71730468 has 96 divisors (see below), whose sum is σ = 197406720. Its totient is φ = 22476960.

The previous prime is 71730437. The next prime is 71730469. The reversal of 71730468 is 86403717.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (71730469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166213 + ... + 166643.

It is an arithmetic number, because the mean of its divisors is an integer number (2056320).

Almost surely, 2^71730468 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 71730468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98703360).

71730468 is an abundant number, since it is smaller than the sum of its proper divisors (125676252).

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

71730468 is a wasteful number, since it uses less digits than its factorization.

71730468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 71730468 is about 8469.3841570683. The cubic root of 71730468 is about 415.4969958990.

The spelling of 71730468 in words is "seventy-one million, seven hundred thirty thousand, four hundred sixty-eight".