73771040 has 48 divisors (see below), whose sum is σ = 199184832. Its totient is φ = 25292544.

The previous prime is 73770997. The next prime is 73771067. The reversal of 73771040 is 4017737.

It is a junction number, because it is equal to n+sod(n) for n = 73770994 and 73771012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31814 + ... + 34053.

It is an arithmetic number, because the mean of its divisors is an integer number (4149684).

Almost surely, 2^73771040 is an apocalyptic number.

73771040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73771040 is an abundant number, since it is smaller than the sum of its proper divisors (125413792).

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

73771040 is a wasteful number, since it uses less digits than its factorization.

73771040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65889 (or 65881 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 73771040 is about 8589.0069274626. The cubic root of 73771040 is about 419.4002020431.

Adding to 73771040 its reverse (4017737), we get a palindrome (77788777).

The spelling of 73771040 in words is "seventy-three million, seven hundred seventy-one thousand, forty".