74152296 has 72 divisors (see below), whose sum is σ = 205977330. Its totient is φ = 24099264.

The previous prime is 74152277. The next prime is 74152297. The reversal of 74152296 is 69225147.

74152296 is a `hidden beast` number, since 7 + 41 + 522 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72488196 + 1664100 = 8514^2 + 1290^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 74152296.

It is not an unprimeable number, because it can be changed into a prime (74152297) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 132850 + ... + 133406.

Almost surely, 2^74152296 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 74152296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102988665).

74152296 is an abundant number, since it is smaller than the sum of its proper divisors (131825034).

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

74152296 is a wasteful number, since it uses less digits than its factorization.

74152296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 605 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 74152296 is about 8611.1727424318. The cubic root of 74152296 is about 420.1214614693.

The spelling of 74152296 in words is "seventy-four million, one hundred fifty-two thousand, two hundred ninety-six".