73495040 has 80 divisors (see below), whose sum is σ = 185613120. Its totient is φ = 27832320.

The previous prime is 73495039. The next prime is 73495049. The reversal of 73495040 is 4059437.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 73494988 and 73495006.

It is not an unprimeable number, because it can be changed into a prime (73495049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47885 + ... + 49395.

It is an arithmetic number, because the mean of its divisors is an integer number (2320164).

Almost surely, 2^73495040 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 73495040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92806560).

73495040 is an abundant number, since it is smaller than the sum of its proper divisors (112118080).

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

73495040 is a wasteful number, since it uses less digits than its factorization.

73495040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 73495040 is about 8572.9248217863. The cubic root of 73495040 is about 418.8765136411.

The spelling of 73495040 in words is "seventy-three million, four hundred ninety-five thousand, forty".