77434007 has 16 divisors (see below), whose sum is σ = 92619072. Its totient is φ = 63348480.

The previous prime is 77434003. The next prime is 77434037. The reversal of 77434007 is 70043477.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 77434007 - 2² = 77434003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77434003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10907 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (5788692).

Almost surely, 2^77434007 is an apocalyptic number.

77434007 is a deficient number, since it is larger than the sum of its proper divisors (15185065).

77434007 is a wasteful number, since it uses less digits than its factorization.

77434007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738.

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

The square root of 77434007 is about 8799.6594820482. The cubic root of 77434007 is about 426.2298989784.

The spelling of 77434007 in words is "seventy-seven million, four hundred thirty-four thousand, seven".