76550369 has 4 divisors (see below), whose sum is σ = 87486144. Its totient is φ = 65614596.

The previous prime is 76550351. The next prime is 76550387. The reversal of 76550369 is 96305567.

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: 96305567 = 131 ⋅735157.

It is an interprime number because it is at equal distance from previous prime (76550351) and next prime (76550387).

It is a cyclic number.

It is not a de Polignac number, because 76550369 - 2¹² = 76546273 is a prime.

It is a super-2 number, since 2×76550369² = 11719917988072322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76550329) 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, 5467877 + ... + 5467890.

It is an arithmetic number, because the mean of its divisors is an integer number (21871536).

Almost surely, 2^76550369 is an apocalyptic number.

It is an amenable number.

76550369 is a deficient number, since it is larger than the sum of its proper divisors (10935775).

76550369 is a wasteful number, since it uses less digits than its factorization.

76550369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10935774.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 76550369 is about 8749.3067725392. The cubic root of 76550369 is about 424.6023852153.

The spelling of 76550369 in words is "seventy-six million, five hundred fifty thousand, three hundred sixty-nine".