77407034 has 16 divisors (see below), whose sum is σ = 120316968. Its totient is φ = 37320192.

The previous prime is 77406991. The next prime is 77407039. The reversal of 77407034 is 43070477.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40768225 + 36638809 = 6385^2 + 6053^2 .

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, 3734 + ... + 12990.

Almost surely, 2^77407034 is an apocalyptic number.

77407034 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

77407034 is a deficient number, since it is larger than the sum of its proper divisors (42909934).

77407034 is a wasteful number, since it uses less digits than its factorization.

77407034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 77407034 is about 8798.1267324357. The cubic root of 77407034 is about 426.1804029208.

The spelling of 77407034 in words is "seventy-seven million, four hundred seven thousand, thirty-four".