10649730 has 128 divisors (see below), whose sum is σ = 32514048. Its totient is φ = 2172672.

The previous prime is 10649719. The next prime is 10649741. The reversal of 10649730 is 3794601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10649719) and next prime (10649741).

It is a super-2 number, since 2×10649730² = 226833498145800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128269 + ... + 128351.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 2^10649730 is an apocalyptic number.

10649730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10649730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16257024).

10649730 is an abundant number, since it is smaller than the sum of its proper divisors (21864318).

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

10649730 is a wasteful number, since it uses less digits than its factorization.

10649730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 10649730 is about 3263.3924066836. The cubic root of 10649730 is about 220.0119139553.

The spelling of 10649730 in words is "ten million, six hundred forty-nine thousand, seven hundred thirty".