1025072750 has 32 divisors (see below), whose sum is σ = 2066553216. Its totient is φ = 378487200.

The previous prime is 1025072747. The next prime is 1025072759. The reversal of 1025072750 is 572705201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025072759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154454 + ... + 160953.

It is an arithmetic number, because the mean of its divisors is an integer number (64579788).

Almost surely, 2^1025072750 is an apocalyptic number.

1025072750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025072750 is an abundant number, since it is smaller than the sum of its proper divisors (1041480466).

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

1025072750 is a wasteful number, since it uses less digits than its factorization.

1025072750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315437 (or 315427 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 1025072750 is about 32016.7573311227. The cubic root of 1025072750 is about 1008.2886911153.

Adding to 1025072750 its reverse (572705201), we get a palindrome (1597777951).

The spelling of 1025072750 in words is "one billion, twenty-five million, seventy-two thousand, seven hundred fifty".