74380634 has 8 divisors (see below), whose sum is σ = 112282068. Its totient is φ = 36953280.

The previous prime is 74380609. The next prime is 74380639. The reversal of 74380634 is 43608347.

It can be written as a sum of positive squares in 2 ways, for example, as 74218225 + 162409 = 8615^2 + 403^2 .

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 = 74380594 and 74380603.

It is not an unprimeable number, because it can be changed into a prime (74380639) 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, 118127 + ... + 118754.

Almost surely, 2^74380634 is an apocalyptic number.

74380634 is a deficient number, since it is larger than the sum of its proper divisors (37901434).

74380634 is a wasteful number, since it uses less digits than its factorization.

74380634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237040.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 74380634 is about 8624.4207921460. The cubic root of 74380634 is about 420.5522478452.

The spelling of 74380634 in words is "seventy-four million, three hundred eighty thousand, six hundred thirty-four".