1625511072 has 48 divisors (see below), whose sum is σ = 4269434400. Its totient is φ = 541523712.

The previous prime is 1625511061. The next prime is 1625511119. The reversal of 1625511072 is 2701155261.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211554 + ... + 219102.

It is an arithmetic number, because the mean of its divisors is an integer number (88946550).

Almost surely, 2^1625511072 is an apocalyptic number.

1625511072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1625511072 is an abundant number, since it is smaller than the sum of its proper divisors (2643923328).

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

1625511072 is a wasteful number, since it uses less digits than its factorization.

1625511072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805 (or 9797 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1625511072 is about 40317.6273111402. The cubic root of 1625511072 is about 1175.7905823591.

The spelling of 1625511072 in words is "one billion, six hundred twenty-five million, five hundred eleven thousand, seventy-two".