77352427 has 8 divisors (see below), whose sum is σ = 81043200. Its totient is φ = 73689000.

The previous prime is 77352403. The next prime is 77352433. The reversal of 77352427 is 72425377.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77352427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77352437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927 + ... + 12472.

It is an arithmetic number, because the mean of its divisors is an integer number (10130400).

Almost surely, 2^77352427 is an apocalyptic number.

77352427 is a deficient number, since it is larger than the sum of its proper divisors (3690773).

77352427 is a wasteful number, since it uses less digits than its factorization.

77352427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13673.

The product of its digits is 82320, while the sum is 37.

The square root of 77352427 is about 8795.0228538646. The cubic root of 77352427 is about 426.0801626422.

The spelling of 77352427 in words is "seventy-seven million, three hundred fifty-two thousand, four hundred twenty-seven".