73316040 has 64 divisors (see below), whose sum is σ = 251372160. Its totient is φ = 16757760.

The previous prime is 73316039. The next prime is 73316059. The reversal of 73316040 is 4061337.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 73316040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42801 + ... + 44480.

It is an arithmetic number, because the mean of its divisors is an integer number (3927690).

Almost surely, 2^73316040 is an apocalyptic number.

73316040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73316040 is an abundant number, since it is smaller than the sum of its proper divisors (178056120).

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

73316040 is a wasteful number, since it uses less digits than its factorization.

73316040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87302 (or 87298 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 73316040 is about 8562.4786131120. The cubic root of 73316040 is about 418.5361738950.

Adding to 73316040 its reverse (4061337), we get a palindrome (77377377).

The spelling of 73316040 in words is "seventy-three million, three hundred sixteen thousand, forty".