73705749 has 16 divisors (see below), whose sum is σ = 106045632. Its totient is φ = 45266688.

The previous prime is 73705721. The next prime is 73705757. The reversal of 73705749 is 94750737.

It is not a de Polignac number, because 73705749 - 2⁵ = 73705717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73705749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73705759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21534 + ... + 24720.

It is an arithmetic number, because the mean of its divisors is an integer number (6627852).

Almost surely, 2^73705749 is an apocalyptic number.

It is an amenable number.

73705749 is a deficient number, since it is larger than the sum of its proper divisors (32339883).

73705749 is a wasteful number, since it uses less digits than its factorization.

73705749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796.

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 73705749 is about 8585.2052392473. The cubic root of 73705749 is about 419.2764355849.

The spelling of 73705749 in words is "seventy-three million, seven hundred five thousand, seven hundred forty-nine".