73399470 has 64 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 18230400.

The previous prime is 73399433. The next prime is 73399499. The reversal of 73399470 is 7499337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33715 + ... + 35825.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 2^73399470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73399470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94279680).

73399470 is an abundant number, since it is smaller than the sum of its proper divisors (115159890).

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

73399470 is a wasteful number, since it uses less digits than its factorization.

73399470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 73399470 is about 8567.3490649092. The cubic root of 73399470 is about 418.6948714833.

The spelling of 73399470 in words is "seventy-three million, three hundred ninety-nine thousand, four hundred seventy".