73573879 has 2 divisors, whose sum is σ = 73573880. Its totient is φ = 73573878.

The previous prime is 73573837. The next prime is 73573889. The reversal of 73573879 is 97837537.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73573879 - 2⁷ = 73573751 is a prime.

It is a super-2 number, since 2×73573879² = 10826231342213282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73573889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36786939 + 36786940.

It is an arithmetic number, because the mean of its divisors is an integer number (36786940).

Almost surely, 2^73573879 is an apocalyptic number.

73573879 is a deficient number, since it is larger than the sum of its proper divisors (1).

73573879 is an equidigital number, since it uses as much as digits as its factorization.

73573879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 73573879 is about 8577.5217283316. The cubic root of 73573879 is about 419.0262380495.

It can be divided in two parts, 7357 and 3879, that added together give a square (11236 = 106²).

The spelling of 73573879 in words is "seventy-three million, five hundred seventy-three thousand, eight hundred seventy-nine".