7387561817340 has 48 divisors (see below), whose sum is σ = 20685329955360. Its totient is φ = 1970001544960.

The previous prime is 7387561817291. The next prime is 7387561817387. The reversal of 7387561817340 is 437181657837.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9147130 + ... + 9921950.

It is an arithmetic number, because the mean of its divisors is an integer number (430944374070).

Almost surely, 2^{7387561817340} is an apocalyptic number.

It is an amenable number.

7387561817340 is an abundant number, since it is smaller than the sum of its proper divisors (13297768138020).

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

7387561817340 is a wasteful number, since it uses less digits than its factorization.

7387561817340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933742 (or 933740 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 7387561817340 in words is "seven trillion, three hundred eighty-seven billion, five hundred sixty-one million, eight hundred seventeen thousand, three hundred forty".