73406512 has 20 divisors (see below), whose sum is σ = 146814016. Its totient is φ = 35519040.

The previous prime is 73406503. The next prime is 73406513. The reversal of 73406512 is 21560437.

73406512 is an admirable number.

It is a super-2 number, since 2×73406512² = 10777032008012288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73406513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73503 + ... + 74494.

Almost surely, 2^73406512 is an apocalyptic number.

It is an amenable number.

73406512 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73406512 is a wasteful number, since it uses less digits than its factorization.

73406512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148036 (or 148030 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 73406512 is about 8567.7600339879. The cubic root of 73406512 is about 418.7082610214.

Adding to 73406512 its reverse (21560437), we get a palindrome (94966949).

The spelling of 73406512 in words is "seventy-three million, four hundred six thousand, five hundred twelve".