14778970 has 8 divisors (see below), whose sum is σ = 26602164. Its totient is φ = 5911584.

The previous prime is 14778961. The next prime is 14778977. The reversal of 14778970 is 7987741.

It can be written as a sum of positive squares in 2 ways, for example, as 14600041 + 178929 = 3821^2 + 423^2 .

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

It is not an unprimeable number, because it can be changed into a prime (14778977) 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, 738939 + ... + 738958.

Almost surely, 2^14778970 is an apocalyptic number.

14778970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14778970 is a deficient number, since it is larger than the sum of its proper divisors (11823194).

14778970 is a wasteful number, since it uses less digits than its factorization.

14778970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477904.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 14778970 is about 3844.3425965957. The cubic root of 14778970 is about 245.4038598007.

The spelling of 14778970 in words is "fourteen million, seven hundred seventy-eight thousand, nine hundred seventy".