10078491 has 4 divisors (see below), whose sum is σ = 13437992. Its totient is φ = 6718992.

The previous prime is 10078489. The next prime is 10078507. The reversal of 10078491 is 19487001.

10078491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19487001 = 3 ⋅6495667.

It is not a de Polignac number, because 10078491 - 2¹ = 10078489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10078421) 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, 1679746 + ... + 1679751.

It is an arithmetic number, because the mean of its divisors is an integer number (3359498).

Almost surely, 2^10078491 is an apocalyptic number.

10078491 is a deficient number, since it is larger than the sum of its proper divisors (3359501).

10078491 is an equidigital number, since it uses as much as digits as its factorization.

10078491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359500.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 10078491 is about 3174.6639192204. The cubic root of 10078491 is about 216.0056797203.

The spelling of 10078491 in words is "ten million, seventy-eight thousand, four hundred ninety-one".