74331552 has 48 divisors (see below), whose sum is σ = 201422592. Its totient is φ = 23976960.

The previous prime is 74331547. The next prime is 74331559. The reversal of 74331552 is 25513347.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (74331559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9513 + ... + 15464.

It is an arithmetic number, because the mean of its divisors is an integer number (4196304).

Almost surely, 2^74331552 is an apocalyptic number.

It is an amenable number.

74331552 is an abundant number, since it is smaller than the sum of its proper divisors (127091040).

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

74331552 is a wasteful number, since it uses less digits than its factorization.

74331552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25021 (or 25013 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 74331552 is about 8621.5747981445. The cubic root of 74331552 is about 420.4597233700.

Adding to 74331552 its reverse (25513347), we get a palindrome (99844899).

The spelling of 74331552 in words is "seventy-four million, three hundred thirty-one thousand, five hundred fifty-two".