1499972648 has 8 divisors (see below), whose sum is σ = 2812448730. Its totient is φ = 749986320.

The previous prime is 1499972633. The next prime is 1499972681. The reversal of 1499972648 is 8462799941.

It can be written as a sum of positive squares in only one way, i.e., 1188732484 + 311240164 = 34478^2 + 17642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93748283 + ... + 93748298.

Almost surely, 2^1499972648 is an apocalyptic number.

It is an amenable number.

1499972648 is a deficient number, since it is larger than the sum of its proper divisors (1312476082).

1499972648 is a wasteful number, since it uses less digits than its factorization.

1499972648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187496587 (or 187496583 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 1499972648 is about 38729.4803476628. The cubic root of 1499972648 is about 1144.7072846835.

The spelling of 1499972648 in words is "one billion, four hundred ninety-nine million, nine hundred seventy-two thousand, six hundred forty-eight".