7740373770 has 96 divisors (see below), whose sum is σ = 21777904512. Its totient is φ = 1974341952.

The previous prime is 7740373757. The next prime is 7740373831. The reversal of 7740373770 is 773730477.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13357 + ... + 125136.

It is an arithmetic number, because the mean of its divisors is an integer number (226853172).

Almost surely, 2^7740373770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7740373770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10888952256).

7740373770 is an abundant number, since it is smaller than the sum of its proper divisors (14037530742).

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

7740373770 is a wasteful number, since it uses less digits than its factorization.

7740373770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138538 (or 138526 counting only the distinct ones).

The product of its (nonzero) digits is 605052, while the sum is 45.

The square root of 7740373770 is about 87979.3940079153. The cubic root of 7740373770 is about 1978.1261196732.

The spelling of 7740373770 in words is "seven billion, seven hundred forty million, three hundred seventy-three thousand, seven hundred seventy".