74522153 has 2 divisors, whose sum is σ = 74522154. Its totient is φ = 74522152.

The previous prime is 74522137. The next prime is 74522159. The reversal of 74522153 is 35122547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62047129 + 12475024 = 7877^2 + 3532^2 .

It is a cyclic number.

It is not a de Polignac number, because 74522153 - 2⁴ = 74522137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74522159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37261076 + 37261077.

It is an arithmetic number, because the mean of its divisors is an integer number (37261077).

Almost surely, 2^74522153 is an apocalyptic number.

It is an amenable number.

74522153 is a deficient number, since it is larger than the sum of its proper divisors (1).

74522153 is an equidigital number, since it uses as much as digits as its factorization.

74522153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 74522153 is about 8632.6214442659. The cubic root of 74522153 is about 420.8187976376.

The spelling of 74522153 in words is "seventy-four million, five hundred twenty-two thousand, one hundred fifty-three".