74457505 has 16 divisors (see below), whose sum is σ = 94731264. Its totient is φ = 56082240.

The previous prime is 74457479. The next prime is 74457563. The reversal of 74457505 is 50575447.

It is not a de Polignac number, because 74457505 - 2¹⁷ = 74326433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (5920704).

Almost surely, 2^74457505 is an apocalyptic number.

It is an amenable number.

74457505 is a deficient number, since it is larger than the sum of its proper divisors (20273759).

74457505 is a wasteful number, since it uses less digits than its factorization.

74457505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 74457505 is about 8628.8762304254. The cubic root of 74457505 is about 420.6970756031.

The spelling of 74457505 in words is "seventy-four million, four hundred fifty-seven thousand, five hundred five".