10076721 has 8 divisors (see below), whose sum is σ = 13526400. Its totient is φ = 6672432.

The previous prime is 10076681. The next prime is 10076741. The reversal of 10076721 is 12767001.

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

It is not a de Polignac number, because 10076721 - 2¹⁰ = 10075697 is a prime.

It is a super-2 number, since 2×10076721² = 203080612223682, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10076691 and 10076700.

It is not an unprimeable number, because it can be changed into a prime (10076741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10825 + ... + 11718.

It is an arithmetic number, because the mean of its divisors is an integer number (1690800).

Almost surely, 2^10076721 is an apocalyptic number.

It is an amenable number.

10076721 is a deficient number, since it is larger than the sum of its proper divisors (3449679).

10076721 is a wasteful number, since it uses less digits than its factorization.

10076721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22695.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 10076721 is about 3174.3851373140. The cubic root of 10076721 is about 215.9930338974.

The spelling of 10076721 in words is "ten million, seventy-six thousand, seven hundred twenty-one".