73024140 has 48 divisors (see below), whose sum is σ = 233678592. Its totient is φ = 16691136.

The previous prime is 73024099. The next prime is 73024141. The reversal of 73024140 is 4142037.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (73024141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86514 + ... + 87353.

It is an arithmetic number, because the mean of its divisors is an integer number (4868304).

Almost surely, 2^73024140 is an apocalyptic number.

73024140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73024140 is an abundant number, since it is smaller than the sum of its proper divisors (160654452).

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

73024140 is a wasteful number, since it uses less digits than its factorization.

73024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173886 (or 173884 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 73024140 is about 8545.4163151949. The cubic root of 73024140 is about 417.9799827109.

Adding to 73024140 its reverse (4142037), we get a palindrome (77166177).

The spelling of 73024140 in words is "seventy-three million, twenty-four thousand, one hundred forty".