73274380 has 48 divisors (see below), whose sum is σ = 158788224. Its totient is φ = 28385280.

The previous prime is 73274371. The next prime is 73274381. The reversal of 73274380 is 8347237.

It is not an unprimeable number, because it can be changed into a prime (73274381) 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, 158029 + ... + 158491.

It is an arithmetic number, because the mean of its divisors is an integer number (3308088).

Almost surely, 2^73274380 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 73274380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79394112).

73274380 is an abundant number, since it is smaller than the sum of its proper divisors (85513844).

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

73274380 is a wasteful number, since it uses less digits than its factorization.

73274380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 73274380 is about 8560.0455606264. The cubic root of 73274380 is about 418.4568846489.

The spelling of 73274380 in words is "seventy-three million, two hundred seventy-four thousand, three hundred eighty".