75340434 has 64 divisors (see below), whose sum is σ = 176803200. Its totient is φ = 21192192.

The previous prime is 75340427. The next prime is 75340451. The reversal of 75340434 is 43404357.

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, 42102 + ... + 43854.

It is an arithmetic number, because the mean of its divisors is an integer number (2762550).

Almost surely, 2^75340434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75340434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88401600).

75340434 is an abundant number, since it is smaller than the sum of its proper divisors (101462766).

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

75340434 is a wasteful number, since it uses less digits than its factorization.

75340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 75340434 is about 8679.8867504133. The cubic root of 75340434 is about 422.3534433270.

The spelling of 75340434 in words is "seventy-five million, three hundred forty thousand, four hundred thirty-four".