74248356 has 48 divisors (see below), whose sum is σ = 213229184. Its totient is φ = 19581696.

The previous prime is 74248351. The next prime is 74248357. The reversal of 74248356 is 65384247.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (74248351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32905 + ... + 35088.

Almost surely, 2^74248356 is an apocalyptic number.

It is an amenable number.

74248356 is an abundant number, since it is smaller than the sum of its proper divisors (138980828).

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

74248356 is a wasteful number, since it uses less digits than its factorization.

74248356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68020 (or 68018 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 74248356 is about 8616.7485747235. The cubic root of 74248356 is about 420.3027975198.

The spelling of 74248356 in words is "seventy-four million, two hundred forty-eight thousand, three hundred fifty-six".