73150730 has 32 divisors (see below), whose sum is σ = 133816320. Its totient is φ = 28788480.

The previous prime is 73150717. The next prime is 73150733. The reversal of 73150730 is 3705137.

It is a self number, because there is not a number n which added to its sum of digits gives 73150730.

It is not an unprimeable number, because it can be changed into a prime (73150733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303410 + ... + 303650.

It is an arithmetic number, because the mean of its divisors is an integer number (4181760).

Almost surely, 2^73150730 is an apocalyptic number.

73150730 is a deficient number, since it is larger than the sum of its proper divisors (60665590).

73150730 is a wasteful number, since it uses less digits than its factorization.

73150730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 73150730 is about 8552.8200027827. The cubic root of 73150730 is about 418.2213711085.

Adding to 73150730 its reverse (3705137), we get a palindrome (76855867).

The spelling of 73150730 in words is "seventy-three million, one hundred fifty thousand, seven hundred thirty".