73898864 has 40 divisors (see below), whose sum is σ = 163270800. Its totient is φ = 32099328.

The previous prime is 73898863. The next prime is 73898893. The reversal of 73898864 is 46889837.

It is a happy number.

It is a super-2 number, since 2×73898864² = 10922084200980992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73898863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6914 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (4081770).

Almost surely, 2^73898864 is an apocalyptic number.

It is an amenable number.

73898864 is an abundant number, since it is smaller than the sum of its proper divisors (89371936).

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

73898864 is a wasteful number, since it uses less digits than its factorization.

73898864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20937 (or 20931 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 73898864 is about 8596.4448465630. Note that the first 3 decimals coincide. The cubic root of 73898864 is about 419.6422955890.

The spelling of 73898864 in words is "seventy-three million, eight hundred ninety-eight thousand, eight hundred sixty-four".