10729978 has 16 divisors (see below), whose sum is σ = 18648000. Its totient is φ = 4535136.

The previous prime is 10729969. The next prime is 10729993. The reversal of 10729978 is 87992701.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228 + ... + 6271.

It is an arithmetic number, because the mean of its divisors is an integer number (1165500).

Almost surely, 2^10729978 is an apocalyptic number.

10729978 is a deficient number, since it is larger than the sum of its proper divisors (7918022).

10729978 is a wasteful number, since it uses less digits than its factorization.

10729978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 10729978 is about 3275.6645127363. The cubic root of 10729978 is about 220.5631440414.

The spelling of 10729978 in words is "ten million, seven hundred twenty-nine thousand, nine hundred seventy-eight".