74674646 has 4 divisors (see below), whose sum is σ = 112011972. Its totient is φ = 37337322.

The previous prime is 74674643. The next prime is 74674651. The reversal of 74674646 is 64647647.

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

It is a junction number, because it is equal to n+sod(n) for n = 74674597 and 74674606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74674643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18668660 + ... + 18668663.

It is an arithmetic number, because the mean of its divisors is an integer number (28002993).

Almost surely, 2^74674646 is an apocalyptic number.

74674646 is a deficient number, since it is larger than the sum of its proper divisors (37337326).

74674646 is a wasteful number, since it uses less digits than its factorization.

74674646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37337325.

The product of its digits is 677376, while the sum is 44.

The square root of 74674646 is about 8641.4492997413. The cubic root of 74674646 is about 421.1056394103.

The spelling of 74674646 in words is "seventy-four million, six hundred seventy-four thousand, six hundred forty-six".