1532638748 has 12 divisors (see below), whose sum is σ = 2774604840. Its totient is φ = 739894512.

The previous prime is 1532638739. The next prime is 1532638763. The reversal of 1532638748 is 8478362351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6606086 + ... + 6606317.

It is an arithmetic number, because the mean of its divisors is an integer number (231217070).

Almost surely, 2^1532638748 is an apocalyptic number.

It is an amenable number.

1532638748 is a deficient number, since it is larger than the sum of its proper divisors (1241966092).

1532638748 is a wasteful number, since it uses less digits than its factorization.

1532638748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212436 (or 13212434 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 1532638748 is about 39148.9303557581. The cubic root of 1532638748 is about 1152.9574158461.

The spelling of 1532638748 in words is "one billion, five hundred thirty-two million, six hundred thirty-eight thousand, seven hundred forty-eight".