7477242340 has 24 divisors (see below), whose sum is σ = 15707079360. Its totient is φ = 2989969248.

The previous prime is 7477242313. The next prime is 7477242341. The reversal of 7477242340 is 432427747.

It is a super-2 number, since 2×7477242340² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7477242293 and 7477242302.

It is not an unprimeable number, because it can be changed into a prime (7477242341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10059 + ... + 122701.

It is an arithmetic number, because the mean of its divisors is an integer number (654461640).

Almost surely, 2^7477242340 is an apocalyptic number.

It is an amenable number.

7477242340 is an abundant number, since it is smaller than the sum of its proper divisors (8229837020).

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

7477242340 is a wasteful number, since it uses less digits than its factorization.

7477242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115971 (or 115969 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 40.

The square root of 7477242340 is about 86471.0491436296. The cubic root of 7477242340 is about 1955.4519651973.

The spelling of 7477242340 in words is "seven billion, four hundred seventy-seven million, two hundred forty-two thousand, three hundred forty".