1024762725 has 72 divisors (see below), whose sum is σ = 2189949120. Its totient is φ = 468447840.

The previous prime is 1024762721. The next prime is 1024762747. The reversal of 1024762725 is 5272674201.

It is a happy number.

1024762725 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 7 + 627 + 25 = 666.

1024762725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1024762725 - 2² = 1024762721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1024762725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024762721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17584 + ... + 48566.

It is an arithmetic number, because the mean of its divisors is an integer number (30415960).

Almost surely, 2^1024762725 is an apocalyptic number.

1024762725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1024762725 is an abundant number, since it is smaller than the sum of its proper divisors (1165186395).

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

1024762725 is a wasteful number, since it uses less digits than its factorization.

1024762725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31016 (or 30998 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 1024762725 is about 32011.9153597532. The cubic root of 1024762725 is about 1008.1870312670.

The spelling of 1024762725 in words is "one billion, twenty-four million, seven hundred sixty-two thousand, seven hundred twenty-five".