77136060 has 96 divisors (see below), whose sum is σ = 225533952. Its totient is φ = 19676160.

The previous prime is 77136053. The next prime is 77136061. The reversal of 77136060 is 6063177.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77136061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209997 + ... + 210363.

It is an arithmetic number, because the mean of its divisors is an integer number (2349312).

Almost surely, 2^77136060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77136060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112766976).

77136060 is an abundant number, since it is smaller than the sum of its proper divisors (148397892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77136060 is a wasteful number, since it uses less digits than its factorization.

77136060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 77136060 is about 8782.7137036340. The cubic root of 77136060 is about 425.6825204034.

The spelling of 77136060 in words is "seventy-seven million, one hundred thirty-six thousand, sixty".