73934380 has 48 divisors (see below), whose sum is σ = 172617984. Its totient is φ = 26415360.

The previous prime is 73934363. The next prime is 73934387. The reversal of 73934380 is 8343937.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73934387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3474 + ... + 12646.

It is an arithmetic number, because the mean of its divisors is an integer number (3596208).

Almost surely, 2^73934380 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 73934380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86308992).

73934380 is an abundant number, since it is smaller than the sum of its proper divisors (98683604).

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

73934380 is a wasteful number, since it uses less digits than its factorization.

73934380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226 (or 9224 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 73934380 is about 8598.5103360989. The cubic root of 73934380 is about 419.7095119076.

The spelling of 73934380 in words is "seventy-three million, nine hundred thirty-four thousand, three hundred eighty".