72676379 has 4 divisors (see below), whose sum is σ = 72695184. Its totient is φ = 72657576.

The previous prime is 72676363. The next prime is 72676393. The reversal of 72676379 is 97367627.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97367627 = 7 ⋅13909661.

It is a cyclic number.

It is not a de Polignac number, because 72676379 - 2⁴ = 72676363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72676339) 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 3 ways as a sum of consecutive naturals, for example, 1247 + ... + 12120.

It is an arithmetic number, because the mean of its divisors is an integer number (18173796).

Almost surely, 2^72676379 is an apocalyptic number.

72676379 is a deficient number, since it is larger than the sum of its proper divisors (18805).

72676379 is a wasteful number, since it uses less digits than its factorization.

72676379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18804.

The product of its digits is 666792, while the sum is 47.

The square root of 72676379 is about 8525.0442227592. The cubic root of 72676379 is about 417.3154148355.

The spelling of 72676379 in words is "seventy-two million, six hundred seventy-six thousand, three hundred seventy-nine".