1742863428 has 36 divisors (see below), whose sum is σ = 4407638508. Its totient is φ = 580681920.

The previous prime is 1742863411. The next prime is 1742863471. The reversal of 1742863428 is 8243682471.

It is a happy number.

1742863428 is a `hidden beast` number, since 1 + 7 + 4 + 2 + 8 + 634 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 738100224 + 1004763204 = 27168^2 + 31698^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1742863428² = 6075145857319822368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75550 + ... + 95882.

It is an arithmetic number, because the mean of its divisors is an integer number (122434403).

Almost surely, 2^1742863428 is an apocalyptic number.

1742863428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1742863428 is an abundant number, since it is smaller than the sum of its proper divisors (2664775080).

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

1742863428 is a wasteful number, since it uses less digits than its factorization.

1742863428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22724 (or 22719 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1742863428 is about 41747.6158361169. The cubic root of 1742863428 is about 1203.4307903835.

The spelling of 1742863428 in words is "one billion, seven hundred forty-two million, eight hundred sixty-three thousand, four hundred twenty-eight".