74947356 has 120 divisors (see below), whose sum is σ = 226494576. Its totient is φ = 21358080.

The previous prime is 74947351. The next prime is 74947361. The reversal of 74947356 is 65374947.

It is an interprime number because it is at equal distance from previous prime (74947351) and next prime (74947361).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74947351) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59970 + ... + 61206.

Almost surely, 2^74947356 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 74947356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113247288).

74947356 is an abundant number, since it is smaller than the sum of its proper divisors (151547220).

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

74947356 is a wasteful number, since it uses less digits than its factorization.

74947356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1270 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 74947356 is about 8657.2141015456. The cubic root of 74947356 is about 421.6176391796.

The spelling of 74947356 in words is "seventy-four million, nine hundred forty-seven thousand, three hundred fifty-six".