77032013 has 8 divisors (see below), whose sum is σ = 78910848. Its totient is φ = 75163264.

The previous prime is 77031979. The next prime is 77032027. The reversal of 77032013 is 31023077.

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 77032013 - 2¹² = 77027917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77032013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77032063) 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, 14270 + ... + 18912.

It is an arithmetic number, because the mean of its divisors is an integer number (9863856).

Almost surely, 2^77032013 is an apocalyptic number.

It is an amenable number.

77032013 is a deficient number, since it is larger than the sum of its proper divisors (1878835).

77032013 is a wasteful number, since it uses less digits than its factorization.

77032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 77032013 is about 8776.7883078037. The cubic root of 77032013 is about 425.4910365998.

The spelling of 77032013 in words is "seventy-seven million, thirty-two thousand, thirteen".