73480770 has 96 divisors (see below), whose sum is σ = 216216000. Its totient is φ = 17807040.

The previous prime is 73480769. The next prime is 73480793. The reversal of 73480770 is 7708437.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25356 + ... + 28104.

It is an arithmetic number, because the mean of its divisors is an integer number (2252250).

Almost surely, 2^73480770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73480770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108108000).

73480770 is an abundant number, since it is smaller than the sum of its proper divisors (142735230).

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

73480770 is a wasteful number, since it uses less digits than its factorization.

73480770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 73480770 is about 8572.0925100001. The cubic root of 73480770 is about 418.8494018126.

The spelling of 73480770 in words is "seventy-three million, four hundred eighty thousand, seven hundred seventy".