76693609 has 4 divisors (see below), whose sum is σ = 76743760. Its totient is φ = 76643460.

The previous prime is 76693607. The next prime is 76693663. The reversal of 76693609 is 90639667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90639667 = 2039 ⋅44453.

It is a cyclic number.

It is not a de Polignac number, because 76693609 - 2¹ = 76693607 is a prime.

It is a super-2 number, since 2×76693609² = 11763819322889762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76693601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22707 + ... + 25864.

It is an arithmetic number, because the mean of its divisors is an integer number (19185940).

Almost surely, 2^76693609 is an apocalyptic number.

It is an amenable number.

76693609 is a deficient number, since it is larger than the sum of its proper divisors (50151).

76693609 is a wasteful number, since it uses less digits than its factorization.

76693609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50150.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 76693609 is about 8757.4887382171. The cubic root of 76693609 is about 424.8670569194.

The spelling of 76693609 in words is "seventy-six million, six hundred ninety-three thousand, six hundred nine".