73957505 has 16 divisors (see below), whose sum is σ = 90574848. Its totient is φ = 57960000.

The previous prime is 73957493. The next prime is 73957529. The reversal of 73957505 is 50575937.

It is a happy number.

It is not a de Polignac number, because 73957505 - 2¹⁰ = 73956481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63680 + ... + 64830.

It is an arithmetic number, because the mean of its divisors is an integer number (5660928).

Almost surely, 2^73957505 is an apocalyptic number.

It is an amenable number.

73957505 is a deficient number, since it is larger than the sum of its proper divisors (16617343).

73957505 is a wasteful number, since it uses less digits than its factorization.

73957505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408.

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 73957505 is about 8599.8549406371. The cubic root of 73957505 is about 419.7532658902.

The spelling of 73957505 in words is "seventy-three million, nine hundred fifty-seven thousand, five hundred five".