74249394 has 8 divisors (see below), whose sum is σ = 148498800. Its totient is φ = 24749796.

The previous prime is 74249389. The next prime is 74249419. The reversal of 74249394 is 49394247.

It is a sphenic number, since it is the product of 3 distinct primes.

74249394 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6187444 + ... + 6187455.

It is an arithmetic number, because the mean of its divisors is an integer number (18562350).

Almost surely, 2^74249394 is an apocalyptic number.

74249394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74249394 is a wasteful number, since it uses less digits than its factorization.

74249394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12374904.

The product of its digits is 217728, while the sum is 42.

The square root of 74249394 is about 8616.8088060488. The cubic root of 74249394 is about 420.3047561367.

The spelling of 74249394 in words is "seventy-four million, two hundred forty-nine thousand, three hundred ninety-four".