73150240 has 24 divisors (see below), whose sum is σ = 172817820. Its totient is φ = 29260032.

The previous prime is 73150223. The next prime is 73150241. The reversal of 73150240 is 4205137.

It can be written as a sum of positive squares in 2 ways, for example, as 72795024 + 355216 = 8532^2 + 596^2 .

It is a super-2 number, since 2×73150240² = 10701915224115200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73150241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228435 + ... + 228754.

Almost surely, 2^73150240 is an apocalyptic number.

It is an amenable number.

73150240 is an abundant number, since it is smaller than the sum of its proper divisors (99667580).

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

73150240 is a wasteful number, since it uses less digits than its factorization.

73150240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457204 (or 457196 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 73150240 is about 8552.7913572120. The cubic root of 73150240 is about 418.2204372881.

Adding to 73150240 its reverse (4205137), we get a palindrome (77355377).

The spelling of 73150240 in words is "seventy-three million, one hundred fifty thousand, two hundred forty".