10729980 has 36 divisors (see below), whose sum is σ = 32548152. Its totient is φ = 2861280.

The previous prime is 10729969. The next prime is 10729993. The reversal of 10729980 is 8992701.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29626 + ... + 29985.

Almost surely, 2^10729980 is an apocalyptic number.

10729980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10729980 is an abundant number, since it is smaller than the sum of its proper divisors (21818172).

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

10729980 is a wasteful number, since it uses less digits than its factorization.

10729980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59626 (or 59621 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 10729980 is about 3275.6648180179. The cubic root of 10729980 is about 220.5631577452.

The spelling of 10729980 in words is "ten million, seven hundred twenty-nine thousand, nine hundred eighty".