74727552 has 64 divisors (see below), whose sum is σ = 207149760. Its totient is φ = 23823360.

The previous prime is 74727533. The next prime is 74727557. The reversal of 74727552 is 25572747.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 74727552.

It is not an unprimeable number, because it can be changed into a prime (74727557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4602 + ... + 13062.

It is an arithmetic number, because the mean of its divisors is an integer number (3236715).

Almost surely, 2^74727552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74727552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103574880).

74727552 is an abundant number, since it is smaller than the sum of its proper divisors (132422208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74727552 is a wasteful number, since it uses less digits than its factorization.

74727552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501 (or 8489 counting only the distinct ones).

The product of its digits is 137200, while the sum is 39.

The square root of 74727552 is about 8644.5099340564. The cubic root of 74727552 is about 421.2050651938.

The spelling of 74727552 in words is "seventy-four million, seven hundred twenty-seven thousand, five hundred fifty-two".