74236356 has 36 divisors (see below), whose sum is σ = 192728172. Its totient is φ = 24076224.

The previous prime is 74236333. The next prime is 74236369. The reversal of 74236356 is 65363247.

74236356 is a `hidden beast` number, since 74 + 236 + 356 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66585600 + 7650756 = 8160^2 + 2766^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×74236356² = 11022073104317472, which contains 22 as substring.

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 74236356.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26535 + ... + 29198.

Almost surely, 2^74236356 is an apocalyptic number.

It is an amenable number.

74236356 is an abundant number, since it is smaller than the sum of its proper divisors (118491816).

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

74236356 is a wasteful number, since it uses less digits than its factorization.

74236356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55780 (or 55775 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 74236356 is about 8616.0522282540. The cubic root of 74236356 is about 420.2801532235.

The spelling of 74236356 in words is "seventy-four million, two hundred thirty-six thousand, three hundred fifty-six".