1025742702 has 64 divisors (see below), whose sum is σ = 2365459200. Its totient is φ = 294336000.

The previous prime is 1025742667. The next prime is 1025742703. The reversal of 1025742702 is 2072475201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025742702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025742703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47077 + ... + 65327.

It is an arithmetic number, because the mean of its divisors is an integer number (36960300).

Almost surely, 2^1025742702 is an apocalyptic number.

1025742702 is an abundant number, since it is smaller than the sum of its proper divisors (1339716498).

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

1025742702 is a wasteful number, since it uses less digits than its factorization.

1025742702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18321.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 1025742702 is about 32027.2181433230. The cubic root of 1025742702 is about 1008.5083041188.

The spelling of 1025742702 in words is "one billion, twenty-five million, seven hundred forty-two thousand, seven hundred two".