7240706556 has 24 divisors (see below), whose sum is σ = 16896956160. Its totient is φ = 2413286832.

The previous prime is 7240706533. The next prime is 7240706563. The reversal of 7240706556 is 6556070427.

It is a super-2 number, since 2×7240706556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 89335 + ... + 149873.

It is an arithmetic number, because the mean of its divisors is an integer number (704039840).

Almost surely, 2^7240706556 is an apocalyptic number.

It is an amenable number.

7240706556 is an abundant number, since it is smaller than the sum of its proper divisors (9656249604).

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

7240706556 is a wasteful number, since it uses less digits than its factorization.

7240706556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70513 (or 70511 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 7240706556 is about 85092.3413475032. The cubic root of 7240706556 is about 1934.6109833646.

The spelling of 7240706556 in words is "seven billion, two hundred forty million, seven hundred six thousand, five hundred fifty-six".