7078220740 has 24 divisors (see below), whose sum is σ = 14872034520. Its totient is φ = 2829808128.

The previous prime is 7078220729. The next prime is 7078220777. The reversal of 7078220740 is 470228707.

It can be written as a sum of positive squares in 4 ways, for example, as 492573636 + 6585647104 = 22194^2 + 81152^2 .

It is a super-2 number, since 2×7078220740² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7078220740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52885 + ... + 130204.

It is an arithmetic number, because the mean of its divisors is an integer number (619668105).

Almost surely, 2^7078220740 is an apocalyptic number.

It is an amenable number.

7078220740 is an abundant number, since it is smaller than the sum of its proper divisors (7793813780).

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

7078220740 is a wasteful number, since it uses less digits than its factorization.

7078220740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185031 (or 185029 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 7078220740 is about 84132.1623399755. The cubic root of 7078220740 is about 1920.0300866958.

The spelling of 7078220740 in words is "seven billion, seventy-eight million, two hundred twenty thousand, seven hundred forty".