77070071 has 8 divisors (see below), whose sum is σ = 83394864. Its totient is φ = 70801920.

The previous prime is 77070031. The next prime is 77070073. The reversal of 77070071 is 17007077.

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

It is a cyclic number.

It is not a de Polignac number, because 77070071 - 2¹⁴ = 77053687 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 (77070073) 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, 11306 + ... + 16791.

It is an arithmetic number, because the mean of its divisors is an integer number (10424358).

Almost surely, 2^77070071 is an apocalyptic number.

77070071 is a deficient number, since it is larger than the sum of its proper divisors (6324793).

77070071 is a wasteful number, since it uses less digits than its factorization.

77070071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28321.

The product of its (nonzero) digits is 2401, while the sum is 29.

The square root of 77070071 is about 8778.9561452373. The cubic root of 77070071 is about 425.5610969603.

The spelling of 77070071 in words is "seventy-seven million, seventy thousand, seventy-one".