77430060 has 96 divisors (see below), whose sum is σ = 242350080. Its totient is φ = 20523456.

The previous prime is 77430049. The next prime is 77430077. The reversal of 77430060 is 6003477.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120099 + ... + 120741.

It is an arithmetic number, because the mean of its divisors is an integer number (2524480).

Almost surely, 2^77430060 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 77430060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121175040).

77430060 is an abundant number, since it is smaller than the sum of its proper divisors (164920020).

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

77430060 is a wasteful number, since it uses less digits than its factorization.

77430060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 77430060 is about 8799.4352091484. The cubic root of 77430060 is about 426.2226568632. Note that the first 3 decimals are identical.

The spelling of 77430060 in words is "seventy-seven million, four hundred thirty thousand, sixty".