74522152 has 16 divisors (see below), whose sum is σ = 147948660. Its totient is φ = 35069184.

The previous prime is 74522137. The next prime is 74522153. The reversal of 74522152 is 25122547.

It can be written as a sum of positive squares in 2 ways, for example, as 69655716 + 4866436 = 8346^2 + 2206^2 .

It is a super-2 number, since 2×74522152² = 11107102277422208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74522152.

It is not an unprimeable number, because it can be changed into a prime (74522153) 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, 273843 + ... + 274114.

Almost surely, 2^74522152 is an apocalyptic number.

It is an amenable number.

74522152 is a deficient number, since it is larger than the sum of its proper divisors (73426508).

74522152 is a wasteful number, since it uses less digits than its factorization.

74522152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547980 (or 547976 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 74522152 is about 8632.6213863461. The cubic root of 74522152 is about 420.8187957553.

Adding to 74522152 its reverse (25122547), we get a palindrome (99644699).

It can be divided in two parts, 7452 and 2152, that added together give a square (9604 = 98²).

The spelling of 74522152 in words is "seventy-four million, five hundred twenty-two thousand, one hundred fifty-two".