73649974 has 4 divisors (see below), whose sum is σ = 110474964. Its totient is φ = 36824986.

The previous prime is 73649963. The next prime is 73649977. The reversal of 73649974 is 47994637.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73649977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18412492 + ... + 18412495.

It is an arithmetic number, because the mean of its divisors is an integer number (27618741).

Almost surely, 2^73649974 is an apocalyptic number.

73649974 is a deficient number, since it is larger than the sum of its proper divisors (36824990).

73649974 is a wasteful number, since it uses less digits than its factorization.

73649974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36824989.

The product of its digits is 1143072, while the sum is 49.

The square root of 73649974 is about 8581.9563037806. The cubic root of 73649974 is about 419.1706498775.

The spelling of 73649974 in words is "seventy-three million, six hundred forty-nine thousand, nine hundred seventy-four".