73377668 has 48 divisors (see below), whose sum is σ = 158995200. Its totient is φ = 28854144.

The previous prime is 73377643. The next prime is 73377691. The reversal of 73377668 is 86677337.

It is a happy number.

It is a super-2 number, since 2×73377668² = 10768564322236448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71930 + ... + 72942.

It is an arithmetic number, because the mean of its divisors is an integer number (3312400).

Almost surely, 2^73377668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73377668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79497600).

73377668 is an abundant number, since it is smaller than the sum of its proper divisors (85617532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73377668 is a wasteful number, since it uses less digits than its factorization.

73377668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its digits is 889056, while the sum is 47.

The square root of 73377668 is about 8566.0765814928. The cubic root of 73377668 is about 418.6534121033.

The spelling of 73377668 in words is "seventy-three million, three hundred seventy-seven thousand, six hundred sixty-eight".