7292213378 has 6 divisors (see below), whose sum is σ = 10938501219. Its totient is φ = 3646046306.

The previous prime is 7292213363. The next prime is 7292213417. The reversal of 7292213378 is 8733122927.

It can be written as a sum of positive squares in only one way, i.e., 3646106689 + 3646106689 = 60383^2 + 60383^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=60383.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 90575 + ... + 150957.

Almost surely, 2^7292213378 is an apocalyptic number.

7292213378 is a deficient number, since it is larger than the sum of its proper divisors (3646287841).

7292213378 is an frugal number, since it uses more digits than its factorization.

7292213378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120768 (or 60385 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 7292213378 is about 85394.4575367746. The cubic root of 7292213378 is about 1939.1874389636.

The spelling of 7292213378 in words is "seven billion, two hundred ninety-two million, two hundred thirteen thousand, three hundred seventy-eight".