73723740 has 96 divisors (see below), whose sum is σ = 220824576. Its totient is φ = 18332160.

The previous prime is 73723723. The next prime is 73723753. The reversal of 73723740 is 4732737.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55929 + ... + 57231.

It is an arithmetic number, because the mean of its divisors is an integer number (2300256).

Almost surely, 2^73723740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73723740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110412288).

73723740 is an abundant number, since it is smaller than the sum of its proper divisors (147100836).

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

73723740 is a wasteful number, since it uses less digits than its factorization.

73723740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 73723740 is about 8586.2529662246. The cubic root of 73723740 is about 419.3105468485.

The spelling of 73723740 in words is "seventy-three million, seven hundred twenty-three thousand, seven hundred forty".