73897746 has 16 divisors (see below), whose sum is σ = 159164544. Its totient is φ = 22737744.

The previous prime is 73897729. The next prime is 73897751. The reversal of 73897746 is 64779837.

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, 473626 + ... + 473781.

It is an arithmetic number, because the mean of its divisors is an integer number (9947784).

Almost surely, 2^73897746 is an apocalyptic number.

73897746 is an abundant number, since it is smaller than the sum of its proper divisors (85266798).

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

73897746 is a wasteful number, since it uses less digits than its factorization.

73897746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947425.

The product of its digits is 1778112, while the sum is 51.

The square root of 73897746 is about 8596.3798194356. The cubic root of 73897746 is about 419.6401793523.

The spelling of 73897746 in words is "seventy-three million, eight hundred ninety-seven thousand, seven hundred forty-six".