77407030 has 16 divisors (see below), whose sum is σ = 141962544. Its totient is φ = 30378400.

The previous prime is 77406991. The next prime is 77407039. The reversal of 77407030 is 3070477.

It is a self number, because there is not a number n which added to its sum of digits gives 77407030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77407039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72496 + ... + 73555.

It is an arithmetic number, because the mean of its divisors is an integer number (8872659).

Almost surely, 2^77407030 is an apocalyptic number.

77407030 is a deficient number, since it is larger than the sum of its proper divisors (64555514).

77407030 is a wasteful number, since it uses less digits than its factorization.

77407030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146111.

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

The square root of 77407030 is about 8798.1265051146. The cubic root of 77407030 is about 426.1803955798.

The spelling of 77407030 in words is "seventy-seven million, four hundred seven thousand, thirty".