1572068890 has 16 divisors (see below), whose sum is σ = 3233970432. Its totient is φ = 538995024.

The previous prime is 1572068867. The next prime is 1572068893. The reversal of 1572068890 is 988602751.

It is a self number, because there is not a number n which added to its sum of digits gives 1572068890.

It is not an unprimeable number, because it can be changed into a prime (1572068893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11228994 + ... + 11229133.

It is an arithmetic number, because the mean of its divisors is an integer number (202123152).

Almost surely, 2^1572068890 is an apocalyptic number.

1572068890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1572068890 is an abundant number, since it is smaller than the sum of its proper divisors (1661901542).

1572068890 is a wasteful number, since it uses less digits than its factorization.

1572068890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22458141.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1572068890 is about 39649.3239538835. The cubic root of 1572068890 is about 1162.7611813817.

The spelling of 1572068890 in words is "one billion, five hundred seventy-two million, sixty-eight thousand, eight hundred ninety".