1542894672 has 80 divisors (see below), whose sum is σ = 4465732032. Its totient is φ = 454901760.

The previous prime is 1542894643. The next prime is 1542894697. The reversal of 1542894672 is 2764982451.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19953 + ... + 59024.

Almost surely, 2^1542894672 is an apocalyptic number.

1542894672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1542894672 is an abundant number, since it is smaller than the sum of its proper divisors (2922837360).

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

1542894672 is a wasteful number, since it uses less digits than its factorization.

1542894672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79036 (or 79030 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 1542894672 is about 39279.6979621789. The cubic root of 1542894672 is about 1155.5234403358.

The spelling of 1542894672 in words is "one billion, five hundred forty-two million, eight hundred ninety-four thousand, six hundred seventy-two".