1768278432 has 48 divisors (see below), whose sum is σ = 4729324320. Its totient is φ = 578303232.

The previous prime is 1768278401. The next prime is 1768278487. The reversal of 1768278432 is 2348728671.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1768278432² = 6253617226152757248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168682 + ... + 178857.

It is an arithmetic number, because the mean of its divisors is an integer number (98527590).

Almost surely, 2^1768278432 is an apocalyptic number.

1768278432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1768278432 is an abundant number, since it is smaller than the sum of its proper divisors (2961045888).

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

1768278432 is a wasteful number, since it uses less digits than its factorization.

1768278432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347605 (or 347597 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 1768278432 is about 42050.9028678339. The cubic root of 1768278432 is about 1209.2521918950.

The spelling of 1768278432 in words is "one billion, seven hundred sixty-eight million, two hundred seventy-eight thousand, four hundred thirty-two".