76201609 has 8 divisors (see below), whose sum is σ = 87504480. Its totient is φ = 65628000.

The previous prime is 76201597. The next prime is 76201613. The reversal of 76201609 is 90610267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76201609 - 2⁵ = 76201577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76201649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182092 + ... + 182509.

It is an arithmetic number, because the mean of its divisors is an integer number (10938060).

Almost surely, 2^76201609 is an apocalyptic number.

It is an amenable number.

76201609 is a deficient number, since it is larger than the sum of its proper divisors (11302871).

76201609 is a wasteful number, since it uses less digits than its factorization.

76201609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364631.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 76201609 is about 8729.3532979253. The cubic root of 76201609 is about 423.9565804149.

It can be divided in two parts, 7620 and 1609, that added together give a palindrome (9229).

The spelling of 76201609 in words is "seventy-six million, two hundred one thousand, six hundred nine".