73380003781 has 8 divisors (see below), whose sum is σ = 87509073024. Its totient is φ = 60162487440.

The previous prime is 73380003761. The next prime is 73380003793. The reversal of 73380003781 is 18730008337.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73380003781 - 2¹¹ = 73380001733 is a prime.

It is a super-2 number, since 2×73380003781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73380003701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227888050 + ... + 227888371.

It is an arithmetic number, because the mean of its divisors is an integer number (10938634128).

Almost surely, 2^73380003781 is an apocalyptic number.

It is an amenable number.

73380003781 is a deficient number, since it is larger than the sum of its proper divisors (14129069243).

73380003781 is a wasteful number, since it uses less digits than its factorization.

73380003781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455776451.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 73380003781 in words is "seventy-three billion, three hundred eighty million, three thousand, seven hundred eighty-one".