74250457 has 4 divisors (see below), whose sum is σ = 74289636. Its totient is φ = 74211280.

The previous prime is 74250439. The next prime is 74250479. The reversal of 74250457 is 75405247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9865881 + 64384576 = 3141^2 + 8024^2 .

It is a cyclic number.

It is not a de Polignac number, because 74250457 - 2⁷ = 74250329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74250437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16594 + ... + 20587.

It is an arithmetic number, because the mean of its divisors is an integer number (18572409).

Almost surely, 2^74250457 is an apocalyptic number.

It is an amenable number.

74250457 is a deficient number, since it is larger than the sum of its proper divisors (39179).

74250457 is a wasteful number, since it uses less digits than its factorization.

74250457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39178.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 74250457 is about 8616.8704875958. The cubic root of 74250457 is about 420.3067619076.

The spelling of 74250457 in words is "seventy-four million, two hundred fifty thousand, four hundred fifty-seven".