10620731 has 8 divisors (see below), whose sum is σ = 11833344. Its totient is φ = 9449320.

The previous prime is 10620721. The next prime is 10620737. The reversal of 10620731 is 13702601.

It is a happy number.

10620731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10620731 - 2⁶ = 10620667 is a prime.

It is a super-2 number, since 2×10620731² = 225599853948722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10620737) 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, 9755 + ... + 10788.

It is an arithmetic number, because the mean of its divisors is an integer number (1479168).

Almost surely, 2^10620731 is an apocalyptic number.

10620731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10620731 is a deficient number, since it is larger than the sum of its proper divisors (1212613).

10620731 is a wasteful number, since it uses less digits than its factorization.

10620731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20601.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 10620731 is about 3258.9463021044. The cubic root of 10620731 is about 219.8120364231.

The spelling of 10620731 in words is "ten million, six hundred twenty thousand, seven hundred thirty-one".