73406544 has 40 divisors (see below), whose sum is σ = 200790720. Its totient is φ = 23029248.

The previous prime is 73406513. The next prime is 73406551. The reversal of 73406544 is 44560437.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44164 + ... + 45795.

It is an arithmetic number, because the mean of its divisors is an integer number (5019768).

Almost surely, 2^73406544 is an apocalyptic number.

It is an amenable number.

73406544 is an abundant number, since it is smaller than the sum of its proper divisors (127384176).

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

73406544 is a wasteful number, since it uses less digits than its factorization.

73406544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89987 (or 89981 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 73406544 is about 8567.7619014536. The cubic root of 73406544 is about 418.7083218637.

The spelling of 73406544 in words is "seventy-three million, four hundred six thousand, five hundred forty-four".