7902493 has 8 divisors (see below), whose sum is σ = 8040312. Its totient is φ = 7766016.

The previous prime is 7902443. The next prime is 7902511. The reversal of 7902493 is 3942097.

It can be written as a sum of positive squares in 4 ways, for example, as 1338649 + 6563844 = 1157^2 + 2562^2 .

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 7902493 - 2¹³ = 7894301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7902443) 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, 24771 + ... + 25087.

It is an arithmetic number, because the mean of its divisors is an integer number (1005039).

Almost surely, 2^7902493 is an apocalyptic number.

It is an amenable number.

7902493 is a deficient number, since it is larger than the sum of its proper divisors (137819).

7902493 is a wasteful number, since it uses less digits than its factorization.

7902493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 7902493 is about 2811.1373143267. The cubic root of 7902493 is about 199.1841178743.

It can be divided in two parts, 7 and 902493, that added together give a square (902500 = 950²).

The spelling of 7902493 in words is "seven million, nine hundred two thousand, four hundred ninety-three".