74450757 has 8 divisors (see below), whose sum is σ = 99309280. Its totient is φ = 49613040.

The previous prime is 74450749. The next prime is 74450767. The reversal of 74450757 is 75705447.

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

It is not a de Polignac number, because 74450757 - 2³ = 74450749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74450737) 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, 7782 + ... + 14472.

It is an arithmetic number, because the mean of its divisors is an integer number (12413660).

Almost surely, 2^74450757 is an apocalyptic number.

It is an amenable number.

74450757 is a deficient number, since it is larger than the sum of its proper divisors (24858523).

74450757 is a wasteful number, since it uses less digits than its factorization.

74450757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 74450757 is about 8628.4852088881. The cubic root of 74450757 is about 420.6843661181.

The spelling of 74450757 in words is "seventy-four million, four hundred fifty thousand, seven hundred fifty-seven".