73375140 has 96 divisors (see below), whose sum is σ = 214695936. Its totient is φ = 18702720.

The previous prime is 73375123. The next prime is 73375153. The reversal of 73375140 is 4157337.

It is a super-2 number, since 2×73375140² = 10767822340039200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 73375098 and 73375107.

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, 191389 + ... + 191771.

It is an arithmetic number, because the mean of its divisors is an integer number (2236416).

Almost surely, 2^73375140 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 73375140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107347968).

73375140 is an abundant number, since it is smaller than the sum of its proper divisors (141320796).

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

73375140 is a wasteful number, since it uses less digits than its factorization.

73375140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 73375140 is about 8565.9290214197. The cubic root of 73375140 is about 418.6486042464.

The spelling of 73375140 in words is "seventy-three million, three hundred seventy-five thousand, one hundred forty".