10762421 has 4 divisors (see below), whose sum is σ = 10802700. Its totient is φ = 10722144.

The previous prime is 10762403. The next prime is 10762429. The reversal of 10762421 is 12426701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12426701 = 7 ⋅1775243.

It can be written as a sum of positive squares in 2 ways, for example, as 6604900 + 4157521 = 2570^2 + 2039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10762421 is a prime.

It is a super-3 number, since 3×10762421³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

10762421 is a modest number, since divided by 2421 gives 1076 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10762429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19736 + ... + 20273.

It is an arithmetic number, because the mean of its divisors is an integer number (2700675).

Almost surely, 2^10762421 is an apocalyptic number.

It is an amenable number.

10762421 is a deficient number, since it is larger than the sum of its proper divisors (40279).

10762421 is an equidigital number, since it uses as much as digits as its factorization.

10762421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40278.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 10762421 is about 3280.6129000539. The cubic root of 10762421 is about 220.7852175065.

It can be divided in two parts, 1076 and 2421, that multiplied together give a square (2604996 = 1614²).

The spelling of 10762421 in words is "ten million, seven hundred sixty-two thousand, four hundred twenty-one".