77673461 has 8 divisors (see below), whose sum is σ = 82581120. Its totient is φ = 72893392.

The previous prime is 77673451. The next prime is 77673467. The reversal of 77673461 is 16437677.

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-77673461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77673467) 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, 30641 + ... + 33078.

It is an arithmetic number, because the mean of its divisors is an integer number (10322640).

Almost surely, 2^77673461 is an apocalyptic number.

It is an amenable number.

77673461 is a deficient number, since it is larger than the sum of its proper divisors (4907659).

77673461 is a wasteful number, since it uses less digits than its factorization.

77673461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63795.

The product of its digits is 148176, while the sum is 41.

The square root of 77673461 is about 8813.2548471039. The cubic root of 77673461 is about 426.6687992922.

The spelling of 77673461 in words is "seventy-seven million, six hundred seventy-three thousand, four hundred sixty-one".