75564434 has 16 divisors (see below), whose sum is σ = 126994176. Its totient is φ = 33418800.

The previous prime is 75564413. The next prime is 75564443. The reversal of 75564434 is 43446557.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45602 + ... + 47229.

It is an arithmetic number, because the mean of its divisors is an integer number (7937136).

Almost surely, 2^75564434 is an apocalyptic number.

75564434 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

75564434 is a deficient number, since it is larger than the sum of its proper divisors (51429742).

75564434 is a wasteful number, since it uses less digits than its factorization.

75564434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92881.

The product of its digits is 201600, while the sum is 38.

The square root of 75564434 is about 8692.7805678045. The cubic root of 75564434 is about 422.7716055265.

The spelling of 75564434 in words is "seventy-five million, five hundred sixty-four thousand, four hundred thirty-four".