7387239540 has 24 divisors (see below), whose sum is σ = 20684270880. Its totient is φ = 1969930528.

The previous prime is 7387239529. The next prime is 7387239553. The reversal of 7387239540 is 459327837.

It is a self number, because there is not a number n which added to its sum of digits gives 7387239540.

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, 61560270 + ... + 61560389.

It is an arithmetic number, because the mean of its divisors is an integer number (861844620).

Almost surely, 2^7387239540 is an apocalyptic number.

It is an amenable number.

7387239540 is an abundant number, since it is smaller than the sum of its proper divisors (13297031340).

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

7387239540 is a wasteful number, since it uses less digits than its factorization.

7387239540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123120671 (or 123120669 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 7387239540 is about 85949.0520017528. The cubic root of 7387239540 is about 1947.5744147278.

The spelling of 7387239540 in words is "seven billion, three hundred eighty-seven million, two hundred thirty-nine thousand, five hundred forty".