73199380 has 24 divisors (see below), whose sum is σ = 153913032. Its totient is φ = 29242752.

The previous prime is 73199359. The next prime is 73199383. The reversal of 73199380 is 8399137.

It can be written as a sum of positive squares in 4 ways, for example, as 12702096 + 60497284 = 3564^2 + 7778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73199383) 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, 18454 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (6413043).

Almost surely, 2^73199380 is an apocalyptic number.

It is an amenable number.

73199380 is an abundant number, since it is smaller than the sum of its proper divisors (80713652).

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

73199380 is a wasteful number, since it uses less digits than its factorization.

73199380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 73199380 is about 8555.6636212511. The cubic root of 73199380 is about 418.3140653796.

The spelling of 73199380 in words is "seventy-three million, one hundred ninety-nine thousand, three hundred eighty".