77374634 has 8 divisors (see below), whose sum is σ = 116147460. Its totient is φ = 38658816.

The previous prime is 77374621. The next prime is 77374637. The reversal of 77374634 is 43647377.

It can be written as a sum of positive squares in 2 ways, for example, as 72199009 + 5175625 = 8497^2 + 2275^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 77374591 and 77374600.

It is not an unprimeable number, because it can be changed into a prime (77374637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10679 + ... + 16394.

Almost surely, 2^77374634 is an apocalyptic number.

77374634 is a deficient number, since it is larger than the sum of its proper divisors (38772826).

77374634 is a wasteful number, since it uses less digits than its factorization.

77374634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28504.

The product of its digits is 296352, while the sum is 41.

The square root of 77374634 is about 8796.2852386675. The cubic root of 77374634 is about 426.1209329934.

The spelling of 77374634 in words is "seventy-seven million, three hundred seventy-four thousand, six hundred thirty-four".