73526645 has 8 divisors (see below), whose sum is σ = 88612056. Its totient is φ = 58567936.

The previous prime is 73526641. The next prime is 73526657. The reversal of 73526645 is 54662537.

It can be written as a sum of positive squares in 4 ways, for example, as 407044 + 73119601 = 638^2 + 8551^2 .

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 73526645 - 2² = 73526641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73526599 and 73526608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73526641) 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, 30392 + ... + 32721.

It is an arithmetic number, because the mean of its divisors is an integer number (11076507).

Almost surely, 2^73526645 is an apocalyptic number.

It is an amenable number.

73526645 is a deficient number, since it is larger than the sum of its proper divisors (15085411).

73526645 is a wasteful number, since it uses less digits than its factorization.

73526645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63351.

The product of its digits is 151200, while the sum is 38.

The square root of 73526645 is about 8574.7679268888. The cubic root of 73526645 is about 418.9365480553.

The spelling of 73526645 in words is "seventy-three million, five hundred twenty-six thousand, six hundred forty-five".