74401966 has 8 divisors (see below), whose sum is σ = 112015584. Its totient is φ = 37063440.

The previous prime is 74401961. The next prime is 74401969. The reversal of 74401966 is 66910447.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74401961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68095 + ... + 69178.

It is an arithmetic number, because the mean of its divisors is an integer number (14001948).

Almost surely, 2^74401966 is an apocalyptic number.

74401966 is a deficient number, since it is larger than the sum of its proper divisors (37613618).

74401966 is a wasteful number, since it uses less digits than its factorization.

74401966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137546.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74401966 is about 8625.6574242199. The cubic root of 74401966 is about 420.5924481078.

The spelling of 74401966 in words is "seventy-four million, four hundred one thousand, nine hundred sixty-six".