74396878 has 8 divisors (see below), whose sum is σ = 114317280. Its totient is φ = 36291120.

The previous prime is 74396873. The next prime is 74396887. The reversal of 74396878 is 87869347.

It is a happy number.

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

It is a super-2 number, since 2×74396878² = 11069790912293768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74396873) 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, 453558 + ... + 453721.

It is an arithmetic number, because the mean of its divisors is an integer number (14289660).

Almost surely, 2^74396878 is an apocalyptic number.

74396878 is a deficient number, since it is larger than the sum of its proper divisors (39920402).

74396878 is a wasteful number, since it uses less digits than its factorization.

74396878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907322.

The product of its digits is 2032128, while the sum is 52.

The square root of 74396878 is about 8625.3624851365. The cubic root of 74396878 is about 420.5828604438.

The spelling of 74396878 in words is "seventy-four million, three hundred ninety-six thousand, eight hundred seventy-eight".