73130722 has 16 divisors (see below), whose sum is σ = 128756160. Its totient is φ = 30494448.

The previous prime is 73130713. The next prime is 73130723. The reversal of 73130722 is 22703137.

It is a super-3 number, since 3×73130722³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (73130723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70072 + ... + 71107.

It is an arithmetic number, because the mean of its divisors is an integer number (8047260).

Almost surely, 2^73130722 is an apocalyptic number.

73130722 is a deficient number, since it is larger than the sum of its proper divisors (55625438).

73130722 is a wasteful number, since it uses less digits than its factorization.

73130722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141225.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 73130722 is about 8551.6502500979. The cubic root of 73130722 is about 418.1832373527.

Adding to 73130722 its reverse (22703137), we get a palindrome (95833859).

The spelling of 73130722 in words is "seventy-three million, one hundred thirty thousand, seven hundred twenty-two".