73780348 has 12 divisors (see below), whose sum is σ = 129863160. Its totient is φ = 36676592.

The previous prime is 73780339. The next prime is 73780349. The reversal of 73780348 is 84308737.

It is a super-2 number, since 2×73780348² = 10887079502002208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73780348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73780349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52618 + ... + 54001.

It is an arithmetic number, because the mean of its divisors is an integer number (10821930).

Almost surely, 2^73780348 is an apocalyptic number.

It is an amenable number.

73780348 is a deficient number, since it is larger than the sum of its proper divisors (56082812).

73780348 is a wasteful number, since it uses less digits than its factorization.

73780348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106796 (or 106794 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 73780348 is about 8589.5487657967. The cubic root of 73780348 is about 419.4178404593.

The spelling of 73780348 in words is "seventy-three million, seven hundred eighty thousand, three hundred forty-eight".