7290738018 has 16 divisors (see below), whose sum is σ = 16201640160. Its totient is φ = 2430245988.

The previous prime is 7290737989. The next prime is 7290738041. The reversal of 7290738018 is 8108370927.

It is a super-2 number, since 2×7290738018² (a number of 21 digits) contains 22 as substring.

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, 67506780 + ... + 67506887.

It is an arithmetic number, because the mean of its divisors is an integer number (1012602510).

Almost surely, 2^7290738018 is an apocalyptic number.

7290738018 is an abundant number, since it is smaller than the sum of its proper divisors (8910902142).

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

7290738018 is a wasteful number, since it uses less digits than its factorization.

7290738018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135013678 (or 135013672 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 7290738018 is about 85385.8186000462. The cubic root of 7290738018 is about 1939.0566513961.

The spelling of 7290738018 in words is "seven billion, two hundred ninety million, seven hundred thirty-eight thousand, eighteen".