73898534 has 4 divisors (see below), whose sum is σ = 110847804. Its totient is φ = 36949266.

The previous prime is 73898533. The next prime is 73898537. The reversal of 73898534 is 43589837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43589837 = 997 ⋅43721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73898533) by changing a digit.

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 as a sum of consecutive naturals, namely, 18474632 + ... + 18474635.

It is an arithmetic number, because the mean of its divisors is an integer number (27711951).

Almost surely, 2^73898534 is an apocalyptic number.

73898534 is a deficient number, since it is larger than the sum of its proper divisors (36949270).

73898534 is a wasteful number, since it uses less digits than its factorization.

73898534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36949269.

The product of its digits is 725760, while the sum is 47.

The square root of 73898534 is about 8596.4256525605. The cubic root of 73898534 is about 419.6416709417.

The spelling of 73898534 in words is "seventy-three million, eight hundred ninety-eight thousand, five hundred thirty-four".