73276440 has 64 divisors (see below), whose sum is σ = 220514400. Its totient is φ = 19479552.

The previous prime is 73276421. The next prime is 73276447. The reversal of 73276440 is 4467237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73276447) 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 15 ways as a sum of consecutive naturals, for example, 48334 + ... + 49826.

Almost surely, 2^73276440 is an apocalyptic number.

It is an amenable number.

73276440 is an abundant number, since it is smaller than the sum of its proper divisors (147237960).

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

73276440 is a wasteful number, since it uses less digits than its factorization.

73276440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 73276440 is about 8560.1658862431. The cubic root of 73276440 is about 418.4608060427.

The spelling of 73276440 in words is "seventy-three million, two hundred seventy-six thousand, four hundred forty".