1562397672 has 32 divisors (see below), whose sum is σ = 4261085280. Its totient is φ = 473453760.

The previous prime is 1562397637. The next prime is 1562397677. The reversal of 1562397672 is 2767932651.

It is not an unprimeable number, because it can be changed into a prime (1562397677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2958823 + ... + 2959350.

It is an arithmetic number, because the mean of its divisors is an integer number (133158915).

Almost surely, 2^1562397672 is an apocalyptic number.

1562397672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1562397672 is an abundant number, since it is smaller than the sum of its proper divisors (2698687608).

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

1562397672 is a wasteful number, since it uses less digits than its factorization.

1562397672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918193 (or 5918189 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 1562397672 is about 39527.1763727186. The cubic root of 1562397672 is about 1160.3718764101.

The spelling of 1562397672 in words is "one billion, five hundred sixty-two million, three hundred ninety-seven thousand, six hundred seventy-two".