73661674 has 4 divisors (see below), whose sum is σ = 110492514. Its totient is φ = 36830836.

The previous prime is 73661669. The next prime is 73661681. The reversal of 73661674 is 47616637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47616637 = 29 ⋅1641953.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 986049 = 8525^2 + 993^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18415417 + ... + 18415420.

Almost surely, 2^73661674 is an apocalyptic number.

73661674 is a deficient number, since it is larger than the sum of its proper divisors (36830840).

73661674 is a wasteful number, since it uses less digits than its factorization.

73661674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36830839.

The product of its digits is 127008, while the sum is 40.

The square root of 73661674 is about 8582.6379394683. The cubic root of 73661674 is about 419.1928451193.

The spelling of 73661674 in words is "seventy-three million, six hundred sixty-one thousand, six hundred seventy-four".