76149329 has 4 divisors (see below), whose sum is σ = 76191984. Its totient is φ = 76106676.

The previous prime is 76149317. The next prime is 76149373. The reversal of 76149329 is 92394167.

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.

It is a cyclic number.

It is not a de Polignac number, because 76149329 - 2⁴ = 76149313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76169329) 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, 18527 + ... + 22260.

It is an arithmetic number, because the mean of its divisors is an integer number (19047996).

Almost surely, 2^76149329 is an apocalyptic number.

It is an amenable number.

76149329 is a deficient number, since it is larger than the sum of its proper divisors (42655).

76149329 is a wasteful number, since it uses less digits than its factorization.

76149329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42654.

The product of its digits is 81648, while the sum is 41.

The square root of 76149329 is about 8726.3582896876. The cubic root of 76149329 is about 423.8596029317.

The spelling of 76149329 in words is "seventy-six million, one hundred forty-nine thousand, three hundred twenty-nine".