75434590 has 32 divisors (see below), whose sum is σ = 169288704. Its totient is φ = 23511840.

The previous prime is 75434587. The next prime is 75434591. The reversal of 75434590 is 9543457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75434591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48214 + ... + 49753.

It is an arithmetic number, because the mean of its divisors is an integer number (5290272).

Almost surely, 2^75434590 is an apocalyptic number.

75434590 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

75434590 is an abundant number, since it is smaller than the sum of its proper divisors (93854114).

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

75434590 is a wasteful number, since it uses less digits than its factorization.

75434590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97992.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 75434590 is about 8685.3088603688. The cubic root of 75434590 is about 422.5293141665.

It can be divided in two parts, 754 and 34590, that added together give a square (35344 = 188²).

The spelling of 75434590 in words is "seventy-five million, four hundred thirty-four thousand, five hundred ninety".