7537457438 has 12 divisors (see below), whose sum is σ = 13152094272. Its totient is φ = 3230338860.

The previous prime is 7537457407. The next prime is 7537457471. The reversal of 7537457438 is 8347547357.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7537457438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38456318 + ... + 38456513.

It is an arithmetic number, because the mean of its divisors is an integer number (1096007856).

Almost surely, 2^7537457438 is an apocalyptic number.

7537457438 is a deficient number, since it is larger than the sum of its proper divisors (5614636834).

7537457438 is a wasteful number, since it uses less digits than its factorization.

7537457438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76912847 (or 76912840 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 53.

The square root of 7537457438 is about 86818.5316507945. The cubic root of 7537457438 is about 1960.6870975383.

The spelling of 7537457438 in words is "seven billion, five hundred thirty-seven million, four hundred fifty-seven thousand, four hundred thirty-eight".