73401488 has 20 divisors (see below), whose sum is σ = 146060220. Its totient is φ = 35708544.

The previous prime is 73401469. The next prime is 73401509. The reversal of 73401488 is 88410437.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45859984 + 27541504 = 6772^2 + 5248^2 .

It is a super-2 number, since 2×73401488² = 10775556881228288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61403 + ... + 62586.

It is an arithmetic number, because the mean of its divisors is an integer number (7303011).

Almost surely, 2^73401488 is an apocalyptic number.

It is an amenable number.

73401488 is a deficient number, since it is larger than the sum of its proper divisors (72658732).

73401488 is a wasteful number, since it uses less digits than its factorization.

73401488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124034 (or 124028 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 73401488 is about 8567.4668368194. The cubic root of 73401488 is about 418.6987085614.

The spelling of 73401488 in words is "seventy-three million, four hundred one thousand, four hundred eighty-eight".