74457506 has 4 divisors (see below), whose sum is σ = 111686262. Its totient is φ = 37228752.

The previous prime is 74457479. The next prime is 74457563. The reversal of 74457506 is 60575447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60575447 = 89 ⋅680623.

It can be written as a sum of positive squares in only one way, i.e., 67650625 + 6806881 = 8225^2 + 2609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74457506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18614375 + ... + 18614378.

Almost surely, 2^74457506 is an apocalyptic number.

74457506 is a deficient number, since it is larger than the sum of its proper divisors (37228756).

74457506 is a wasteful number, since it uses less digits than its factorization.

74457506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37228755.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 74457506 is about 8628.8762883703. The cubic root of 74457506 is about 420.6970774865.

The spelling of 74457506 in words is "seventy-four million, four hundred fifty-seven thousand, five hundred six".