73906705 has 16 divisors (see below), whose sum is σ = 93239424. Its totient is φ = 56129920.

The previous prime is 73906691. The next prime is 73906739. The reversal of 73906705 is 50760937.

It is not a de Polignac number, because 73906705 - 2⁷ = 73906577 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13410 + ... + 18100.

It is an arithmetic number, because the mean of its divisors is an integer number (5827464).

Almost surely, 2^73906705 is an apocalyptic number.

It is an amenable number.

73906705 is a deficient number, since it is larger than the sum of its proper divisors (19332719).

73906705 is a wasteful number, since it uses less digits than its factorization.

73906705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 73906705 is about 8596.9008950900. The cubic root of 73906705 is about 419.6571370389.

The spelling of 73906705 in words is "seventy-three million, nine hundred six thousand, seven hundred five".