73780546 has 8 divisors (see below), whose sum is σ = 126480960. Its totient is φ = 31620228.

The previous prime is 73780541. The next prime is 73780547. The reversal of 73780546 is 64508737.

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

It is a junction number, because it is equal to n+sod(n) for n = 73780499 and 73780508.

It is not an unprimeable number, because it can be changed into a prime (73780541) 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, 2635006 + ... + 2635033.

It is an arithmetic number, because the mean of its divisors is an integer number (15810120).

Almost surely, 2^73780546 is an apocalyptic number.

73780546 is a deficient number, since it is larger than the sum of its proper divisors (52700414).

73780546 is a wasteful number, since it uses less digits than its factorization.

73780546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270048.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 73780546 is about 8589.5602914235. The cubic root of 73780546 is about 419.4182156480.

The spelling of 73780546 in words is "seventy-three million, seven hundred eighty thousand, five hundred forty-six".