75172434 has 32 divisors (see below), whose sum is σ = 154586880. Its totient is φ = 24355200.

The previous prime is 75172423. The next prime is 75172463. The reversal of 75172434 is 43427157.

It is a junction number, because it is equal to n+sod(n) for n = 75172395 and 75172404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105672 + ... + 106380.

It is an arithmetic number, because the mean of its divisors is an integer number (4830840).

Almost surely, 2^75172434 is an apocalyptic number.

75172434 is an abundant number, since it is smaller than the sum of its proper divisors (79414446).

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

75172434 is a wasteful number, since it uses less digits than its factorization.

75172434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186.

The product of its digits is 23520, while the sum is 33.

The square root of 75172434 is about 8670.2038038330. The cubic root of 75172434 is about 422.0392774325.

The spelling of 75172434 in words is "seventy-five million, one hundred seventy-two thousand, four hundred thirty-four".