10721404 has 12 divisors (see below), whose sum is σ = 19578384. Its totient is φ = 5127584.

The previous prime is 10721401. The next prime is 10721413. The reversal of 10721404 is 40412701.

10721404 = T₂₆₇₂ + T₂₆₇₃ + T₂₆₇₄.

10721404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10721404² = 229897007462432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10721401) 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, 58177 + ... + 58360.

It is an arithmetic number, because the mean of its divisors is an integer number (1631532).

Almost surely, 2^10721404 is an apocalyptic number.

10721404 is the 2674-th centered triangular number.

It is an amenable number.

10721404 is a deficient number, since it is larger than the sum of its proper divisors (8856980).

10721404 is a wasteful number, since it uses less digits than its factorization.

10721404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116564 (or 116562 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 10721404 is about 3274.3555091040. The cubic root of 10721404 is about 220.5043799467.

The spelling of 10721404 in words is "ten million, seven hundred twenty-one thousand, four hundred four".