1025694738 has 48 divisors (see below), whose sum is σ = 2358291936. Its totient is φ = 333940320.

The previous prime is 1025694731. The next prime is 1025694757. The reversal of 1025694738 is 8374965201.

1025694738 is a `hidden beast` number, since 10 + 2 + 569 + 4 + 73 + 8 = 666.

1025694738 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

1025694738 is strictly pandigital in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1025694693 and 1025694702.

It is not an unprimeable number, because it can be changed into a prime (1025694731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3643 + ... + 45438.

It is an arithmetic number, because the mean of its divisors is an integer number (49131082).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1025694738 = 2051389476, but 3⋅1025694738 = 3077084214 is not.

Almost surely, 2^1025694738 is an apocalyptic number.

1025694738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1025694738 is an abundant number, since it is smaller than the sum of its proper divisors (1332597198).

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

1025694738 is an equidigital number, since it uses as much as digits as its factorization.

1025694738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49141 (or 49129 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1025694738 is about 32026.4693339744. The cubic root of 1025694738 is about 1008.4925845021.

The spelling of 1025694738 in words is "one billion, twenty-five million, six hundred ninety-four thousand, seven hundred thirty-eight".