73446870 has 64 divisors (see below), whose sum is σ = 205286400. Its totient is φ = 16468608.

The previous prime is 73446839. The next prime is 73446871. The reversal of 73446870 is 7864437.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73446871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7831 + ... + 14429.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^73446870 is an apocalyptic number.

73446870 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73446870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102643200).

73446870 is an abundant number, since it is smaller than the sum of its proper divisors (131839530).

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

73446870 is a wasteful number, since it uses less digits than its factorization.

73446870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 73446870 is about 8570.1149350519. The cubic root of 73446870 is about 418.7849805188.

The spelling of 73446870 in words is "seventy-three million, four hundred forty-six thousand, eight hundred seventy".