7740366840 has 96 divisors (see below), whose sum is σ = 25176808800. Its totient is φ = 2062406400.

The previous prime is 7740366827. The next prime is 7740366841. The reversal of 7740366840 is 486630477.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7740366841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466690 + ... + 482990.

It is an arithmetic number, because the mean of its divisors is an integer number (262258425).

Almost surely, 2^7740366840 is an apocalyptic number.

It is an amenable number.

7740366840 is an abundant number, since it is smaller than the sum of its proper divisors (17436441960).

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

7740366840 is a wasteful number, since it uses less digits than its factorization.

7740366840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17637 (or 17630 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 7740366840 is about 87979.3546236843. The cubic root of 7740366840 is about 1978.1255293306.

The spelling of 7740366840 in words is "seven billion, seven hundred forty million, three hundred sixty-six thousand, eight hundred forty".