73046240 has 24 divisors (see below), whose sum is σ = 172572120. Its totient is φ = 29218432.

The previous prime is 73046227. The next prime is 73046249. The reversal of 73046240 is 4264037.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73046249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228110 + ... + 228429.

It is an arithmetic number, because the mean of its divisors is an integer number (7190505).

Almost surely, 2^73046240 is an apocalyptic number.

It is an amenable number.

73046240 is an abundant number, since it is smaller than the sum of its proper divisors (99525880).

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

73046240 is a wasteful number, since it uses less digits than its factorization.

73046240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456554 (or 456546 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 73046240 is about 8546.7093082660. The cubic root of 73046240 is about 418.0221442295.

The spelling of 73046240 in words is "seventy-three million, forty-six thousand, two hundred forty".