74527252 has 12 divisors (see below), whose sum is σ = 138094740. Its totient is φ = 35071616.

The previous prime is 74527247. The next prime is 74527259. The reversal of 74527252 is 25272547.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62789776 + 11737476 = 7924^2 + 3426^2 .

It is a super-2 number, since 2×74527252² = 11108622581343008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74527259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547927 + ... + 548062.

It is an arithmetic number, because the mean of its divisors is an integer number (11507895).

Almost surely, 2^74527252 is an apocalyptic number.

It is an amenable number.

74527252 is a deficient number, since it is larger than the sum of its proper divisors (63567488).

74527252 is a wasteful number, since it uses less digits than its factorization.

74527252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096010 (or 1096008 counting only the distinct ones).

The product of its digits is 39200, while the sum is 34.

The square root of 74527252 is about 8632.9167724472. The cubic root of 74527252 is about 420.8283952584.

Adding to 74527252 its reverse (25272547), we get a palindrome (99799799).

The spelling of 74527252 in words is "seventy-four million, five hundred twenty-seven thousand, two hundred fifty-two".