10247739 has 8 divisors (see below), whose sum is σ = 13954560. Its totient is φ = 6686376.

The previous prime is 10247693. The next prime is 10247747. The reversal of 10247739 is 93774201.

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

It is not a de Polignac number, because 10247739 - 2¹⁹ = 9723451 is a prime.

It is a super-2 number, since 2×10247739² = 210032309224242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10247239) 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, 36199 + ... + 36480.

It is an arithmetic number, because the mean of its divisors is an integer number (1744320).

Almost surely, 2^10247739 is an apocalyptic number.

10247739 is a deficient number, since it is larger than the sum of its proper divisors (3706821).

10247739 is an equidigital number, since it uses as much as digits as its factorization.

10247739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72729.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 10247739 is about 3201.2089903660. The cubic root of 10247739 is about 217.2081009632.

The spelling of 10247739 in words is "ten million, two hundred forty-seven thousand, seven hundred thirty-nine".