71730722 has 8 divisors (see below), whose sum is σ = 122966976. Its totient is φ = 30741732.

The previous prime is 71730697. The next prime is 71730727. The reversal of 71730722 is 22703717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71730727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561798 + ... + 2561825.

It is an arithmetic number, because the mean of its divisors is an integer number (15370872).

Almost surely, 2^71730722 is an apocalyptic number.

71730722 is a deficient number, since it is larger than the sum of its proper divisors (51236254).

71730722 is a wasteful number, since it uses less digits than its factorization.

71730722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123632.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 71730722 is about 8469.3991522421. The cubic root of 71730722 is about 415.4974863280.

The spelling of 71730722 in words is "seventy-one million, seven hundred thirty thousand, seven hundred twenty-two".