74782634 has 4 divisors (see below), whose sum is σ = 112173954. Its totient is φ = 37391316.

The previous prime is 74782627. The next prime is 74782639. The reversal of 74782634 is 43628747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73908409 + 874225 = 8597^2 + 935^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74782591 and 74782600.

It is not an unprimeable number, because it can be changed into a prime (74782639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18695657 + ... + 18695660.

Almost surely, 2^74782634 is an apocalyptic number.

74782634 is a deficient number, since it is larger than the sum of its proper divisors (37391320).

74782634 is a wasteful number, since it uses less digits than its factorization.

74782634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37391319.

The product of its digits is 225792, while the sum is 41.

The square root of 74782634 is about 8647.6952999051. The cubic root of 74782634 is about 421.3085304648.

The spelling of 74782634 in words is "seventy-four million, seven hundred eighty-two thousand, six hundred thirty-four".