73803545 has 8 divisors (see below), whose sum is σ = 93774024. Its totient is φ = 55569664.

The previous prime is 73803539. The next prime is 73803547. The reversal of 73803545 is 54530837.

It can be written as a sum of positive squares in 4 ways, for example, as 30349081 + 43454464 = 5509^2 + 6592^2 .

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 73803545 - 2¹² = 73799449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73803547) 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, 434054 + ... + 434223.

It is an arithmetic number, because the mean of its divisors is an integer number (11721753).

Almost surely, 2^73803545 is an apocalyptic number.

It is an amenable number.

73803545 is a deficient number, since it is larger than the sum of its proper divisors (19970479).

73803545 is a wasteful number, since it uses less digits than its factorization.

73803545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868299.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 73803545 is about 8590.8989634380. The cubic root of 73803545 is about 419.4617917121.

The spelling of 73803545 in words is "seventy-three million, eight hundred three thousand, five hundred forty-five".