77670734 has 8 divisors (see below), whose sum is σ = 118147248. Its totient is φ = 38288320.

The previous prime is 77670731. The next prime is 77670737. The reversal of 77670734 is 43707677.

It is an interprime number because it is at equal distance from previous prime (77670731) and next prime (77670737).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77670691 and 77670700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77670731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273347 + ... + 273630.

It is an arithmetic number, because the mean of its divisors is an integer number (14768406).

Almost surely, 2^77670734 is an apocalyptic number.

77670734 is a deficient number, since it is larger than the sum of its proper divisors (40476514).

77670734 is a wasteful number, since it uses less digits than its factorization.

77670734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547050.

The product of its (nonzero) digits is 172872, while the sum is 41.

The square root of 77670734 is about 8813.1001355936. The cubic root of 77670734 is about 426.6638059975.

The spelling of 77670734 in words is "seventy-seven million, six hundred seventy thousand, seven hundred thirty-four".