7266978 has 12 divisors (see below), whose sum is σ = 15745158. Its totient is φ = 2422320.

The previous prime is 7266947. The next prime is 7266979. The reversal of 7266978 is 8796627.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5184729 + 2082249 = 2277^2 + 1443^2 .

It is not an unprimeable number, because it can be changed into a prime (7266979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201843 + ... + 201878.

Almost surely, 2^7266978 is an apocalyptic number.

7266978 is an abundant number, since it is smaller than the sum of its proper divisors (8478180).

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

7266978 is a wasteful number, since it uses less digits than its factorization.

7266978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403729 (or 403726 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 7266978 is about 2695.7332954133. The cubic root of 7266978 is about 193.6947941223.

It can be divided in two parts, 72 and 66978, that multiplied together give a square (4822416 = 2196²).

The spelling of 7266978 in words is "seven million, two hundred sixty-six thousand, nine hundred seventy-eight".