1072428764 has 48 divisors (see below), whose sum is σ = 2075673600. Its totient is φ = 480772800.

The previous prime is 1072428719. The next prime is 1072428769. The reversal of 1072428764 is 4678242701.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072428769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491197 + ... + 1491915.

It is an arithmetic number, because the mean of its divisors is an integer number (43243200).

Almost surely, 2^1072428764 is an apocalyptic number.

It is an amenable number.

1072428764 is a deficient number, since it is larger than the sum of its proper divisors (1003244836).

1072428764 is a wasteful number, since it uses less digits than its factorization.

1072428764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 1072428764 is about 32747.9581653574. The cubic root of 1072428764 is about 1023.5824192037.

The spelling of 1072428764 in words is "one billion, seventy-two million, four hundred twenty-eight thousand, seven hundred sixty-four".