77730004 has 24 divisors (see below), whose sum is σ = 149871456. Its totient is φ = 34980000.

The previous prime is 77729941. The next prime is 77730011. The reversal of 77730004 is 40003777.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302 + ... + 13189.

It is an arithmetic number, because the mean of its divisors is an integer number (6244644).

Almost surely, 2^77730004 is an apocalyptic number.

It is an amenable number.

77730004 is a deficient number, since it is larger than the sum of its proper divisors (72141452).

77730004 is a wasteful number, since it uses less digits than its factorization.

77730004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17607 (or 17605 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 77730004 is about 8816.4621022267. The cubic root of 77730004 is about 426.7723064702.

The spelling of 77730004 in words is "seventy-seven million, seven hundred thirty thousand, four".