74651153 has 4 divisors (see below), whose sum is σ = 75490020. Its totient is φ = 73812288.

The previous prime is 74651147. The next prime is 74651173. The reversal of 74651153 is 35115647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35115647 = 7 ⋅5016521.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 70274689 = 2092^2 + 8383^2 .

It is a cyclic number.

It is not a de Polignac number, because 74651153 - 2⁸ = 74650897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74651173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419300 + ... + 419477.

It is an arithmetic number, because the mean of its divisors is an integer number (18872505).

Almost surely, 2^74651153 is an apocalyptic number.

It is an amenable number.

74651153 is a deficient number, since it is larger than the sum of its proper divisors (838867).

74651153 is an equidigital number, since it uses as much as digits as its factorization.

74651153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838866.

The product of its digits is 12600, while the sum is 32.

The square root of 74651153 is about 8640.0898722178. The cubic root of 74651153 is about 421.0614741638.

The spelling of 74651153 in words is "seventy-four million, six hundred fifty-one thousand, one hundred fifty-three".