73241940 has 24 divisors (see below), whose sum is σ = 205077600. Its totient is φ = 19531168.

The previous prime is 73241893. The next prime is 73241953. The reversal of 73241940 is 4914237.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 73241898 and 73241907.

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, 610290 + ... + 610409.

It is an arithmetic number, because the mean of its divisors is an integer number (8544900).

Almost surely, 2^73241940 is an apocalyptic number.

It is an amenable number.

73241940 is an abundant number, since it is smaller than the sum of its proper divisors (131835660).

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

73241940 is a wasteful number, since it uses less digits than its factorization.

73241940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220711 (or 1220709 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 73241940 is about 8558.1505011305. The cubic root of 73241940 is about 418.3951225200.

The spelling of 73241940 in words is "seventy-three million, two hundred forty-one thousand, nine hundred forty".