77673701 has 8 divisors (see below), whose sum is σ = 88929984. Its totient is φ = 66457440.

The previous prime is 77673689. The next prime is 77673733. The reversal of 77673701 is 10737677.

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

It is not a de Polignac number, because 77673701 - 2¹⁴ = 77657317 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 (77676701) 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, 5720 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (11116248).

Almost surely, 2^77673701 is an apocalyptic number.

It is an amenable number.

77673701 is a deficient number, since it is larger than the sum of its proper divisors (11256283).

77673701 is a wasteful number, since it uses less digits than its factorization.

77673701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20011.

The product of its (nonzero) digits is 43218, while the sum is 38.

The square root of 77673701 is about 8813.2684629484. The cubic root of 77673701 is about 426.6692387405.

The spelling of 77673701 in words is "seventy-seven million, six hundred seventy-three thousand, seven hundred one".