73153450 has 24 divisors (see below), whose sum is σ = 136607328. Its totient is φ = 29144880.

The previous prime is 73153433. The next prime is 73153453. The reversal of 73153450 is 5435137.

It is not an unprimeable number, because it can be changed into a prime (73153453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10369 + ... + 15931.

It is an arithmetic number, because the mean of its divisors is an integer number (5691972).

Almost surely, 2^73153450 is an apocalyptic number.

73153450 is a deficient number, since it is larger than the sum of its proper divisors (63453878).

73153450 is a wasteful number, since it uses less digits than its factorization.

73153450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 73153450 is about 8552.9790131860. The cubic root of 73153450 is about 418.2265546887.

Adding to 73153450 its reverse (5435137), we get a palindrome (78588587).

The spelling of 73153450 in words is "seventy-three million, one hundred fifty-three thousand, four hundred fifty".