73897542 has 16 divisors (see below), whose sum is σ = 164216880. Its totient is φ = 24632496.

The previous prime is 73897519. The next prime is 73897553. The reversal of 73897542 is 24579837.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684183 + ... + 684290.

It is an arithmetic number, because the mean of its divisors is an integer number (10263555).

Almost surely, 2^73897542 is an apocalyptic number.

73897542 is an abundant number, since it is smaller than the sum of its proper divisors (90319338).

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

73897542 is a wasteful number, since it uses less digits than its factorization.

73897542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368484 (or 1368478 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 73897542 is about 8596.3679539675. The cubic root of 73897542 is about 419.6397932031.

The spelling of 73897542 in words is "seventy-three million, eight hundred ninety-seven thousand, five hundred forty-two".