73484740 has 48 divisors (see below), whose sum is σ = 177795072. Its totient is φ = 24990336.

The previous prime is 73484737. The next prime is 73484771. The reversal of 73484740 is 4748437.

It is a happy number.

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 a self number, because there is not a number n which added to its sum of digits gives 73484740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15714 + ... + 19846.

It is an arithmetic number, because the mean of its divisors is an integer number (3704064).

Almost surely, 2^73484740 is an apocalyptic number.

73484740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73484740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88897536).

73484740 is an abundant number, since it is smaller than the sum of its proper divisors (104310332).

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

73484740 is a wasteful number, since it uses less digits than its factorization.

73484740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276 (or 4274 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 73484740 is about 8572.3240722689. The cubic root of 73484740 is about 418.8569448391.

The spelling of 73484740 in words is "seventy-three million, four hundred eighty-four thousand, seven hundred forty".