73870434 has 64 divisors (see below), whose sum is σ = 186900480. Its totient is φ = 21407760.

The previous prime is 73870429. The next prime is 73870441. The reversal of 73870434 is 43407837.

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, 10959 + ... + 16365.

It is an arithmetic number, because the mean of its divisors is an integer number (2920320).

Almost surely, 2^73870434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73870434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93450240).

73870434 is an abundant number, since it is smaller than the sum of its proper divisors (113030046).

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

73870434 is a wasteful number, since it uses less digits than its factorization.

73870434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452 (or 5446 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 73870434 is about 8594.7910969377. The cubic root of 73870434 is about 419.5884744606.

The spelling of 73870434 in words is "seventy-three million, eight hundred seventy thousand, four hundred thirty-four".