73057749 has 8 divisors (see below), whose sum is σ = 97464192. Its totient is φ = 48678240.

The previous prime is 73057739. The next prime is 73057763. The reversal of 73057749 is 94775037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73057749 - 2⁸ = 73057493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73057749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73057739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804 + ... + 12114.

It is an arithmetic number, because the mean of its divisors is an integer number (12183024).

Almost surely, 2^73057749 is an apocalyptic number.

It is an amenable number.

73057749 is a deficient number, since it is larger than the sum of its proper divisors (24406443).

73057749 is a wasteful number, since it uses less digits than its factorization.

73057749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467.

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

The square root of 73057749 is about 8547.3825818200. The cubic root of 73057749 is about 418.0440972838.

The spelling of 73057749 in words is "seventy-three million, fifty-seven thousand, seven hundred forty-nine".