73290839 has 2 divisors, whose sum is σ = 73290840. Its totient is φ = 73290838.

The previous prime is 73290823. The next prime is 73290853. The reversal of 73290839 is 93809237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73290839 - 2⁴ = 73290823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73290796 and 73290805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73290869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36645419 + 36645420.

It is an arithmetic number, because the mean of its divisors is an integer number (36645420).

Almost surely, 2^73290839 is an apocalyptic number.

73290839 is a deficient number, since it is larger than the sum of its proper divisors (1).

73290839 is an equidigital number, since it uses as much as digits as its factorization.

73290839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 73290839 is about 8561.0068917155. The cubic root of 73290839 is about 418.4882137721.

The spelling of 73290839 in words is "seventy-three million, two hundred ninety thousand, eight hundred thirty-nine".