77134070 has 32 divisors (see below), whose sum is σ = 150232320. Its totient is φ = 28344960.

The previous prime is 77134069. The next prime is 77134081. The reversal of 77134070 is 7043177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28475 + ... + 31065.

It is an arithmetic number, because the mean of its divisors is an integer number (4694760).

Almost surely, 2^77134070 is an apocalyptic number.

77134070 is a deficient number, since it is larger than the sum of its proper divisors (73098250).

77134070 is a wasteful number, since it uses less digits than its factorization.

77134070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 77134070 is about 8782.6004121786. The cubic root of 77134070 is about 425.6788597052.

The spelling of 77134070 in words is "seventy-seven million, one hundred thirty-four thousand, seventy".