73677380 has 36 divisors (see below), whose sum is σ = 179985708. Its totient is φ = 25260480.

The previous prime is 73677377. The next prime is 73677389. The reversal of 73677380 is 8377637.

It can be written as a sum of positive squares in 2 ways, for example, as 35904064 + 37773316 = 5992^2 + 6146^2 .

It is not an unprimeable number, because it can be changed into a prime (73677389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36611 + ... + 38570.

It is an arithmetic number, because the mean of its divisors is an integer number (4999603).

Almost surely, 2^73677380 is an apocalyptic number.

73677380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73677380 is an abundant number, since it is smaller than the sum of its proper divisors (106308328).

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

73677380 is a wasteful number, since it uses less digits than its factorization.

73677380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75204 (or 75195 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 73677380 is about 8583.5528774512. The cubic root of 73677380 is about 419.2226361652. Note that the first 3 decimals are identical.

The spelling of 73677380 in words is "seventy-three million, six hundred seventy-seven thousand, three hundred eighty".