73061290 has 8 divisors (see below), whose sum is σ = 131510340. Its totient is φ = 29224512.

The previous prime is 73061269. The next prime is 73061321. The reversal of 73061290 is 9216037.

It can be written as a sum of positive squares in 2 ways, for example, as 67683529 + 5377761 = 8227^2 + 2319^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3653055 + ... + 3653074.

Almost surely, 2^73061290 is an apocalyptic number.

73061290 is a deficient number, since it is larger than the sum of its proper divisors (58449050).

73061290 is a wasteful number, since it uses less digits than its factorization.

73061290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306136.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 73061290 is about 8547.5897187453. The cubic root of 73061290 is about 418.0508511657.

The spelling of 73061290 in words is "seventy-three million, sixty-one thousand, two hundred ninety".