73738470 has 64 divisors (see below), whose sum is σ = 193342464. Its totient is φ = 17888640.

The previous prime is 73738433. The next prime is 73738471. The reversal of 73738470 is 7483737.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73738471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26359 + ... + 29021.

It is an arithmetic number, because the mean of its divisors is an integer number (3020976).

Almost surely, 2^73738470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73738470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96671232).

73738470 is an abundant number, since it is smaller than the sum of its proper divisors (119603994).

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

73738470 is a wasteful number, since it uses less digits than its factorization.

73738470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 73738470 is about 8587.1106898654. The cubic root of 73738470 is about 419.3384710651.

The spelling of 73738470 in words is "seventy-three million, seven hundred thirty-eight thousand, four hundred seventy".