73773740 has 24 divisors (see below), whose sum is σ = 155488032. Its totient is φ = 29402240.

The previous prime is 73773737. The next prime is 73773743. The reversal of 73773740 is 4737737.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73773737) and next prime (73773743).

It is a junction number, because it is equal to n+sod(n) for n = 73773694 and 73773703.

It is not an unprimeable number, because it can be changed into a prime (73773743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (6478668).

Almost surely, 2^73773740 is an apocalyptic number.

It is an amenable number.

73773740 is an abundant number, since it is smaller than the sum of its proper divisors (81714292).

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

73773740 is a wasteful number, since it uses less digits than its factorization.

73773740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13417 (or 13415 counting only the distinct ones).

The product of its (nonzero) digits is 86436, while the sum is 38.

The square root of 73773740 is about 8589.1641036832. The cubic root of 73773740 is about 419.4053186251.

The spelling of 73773740 in words is "seventy-three million, seven hundred seventy-three thousand, seven hundred forty".