78432762 has 32 divisors (see below), whose sum is σ = 163918080. Its totient is φ = 24987200.

The previous prime is 78432751. The next prime is 78432773. The reversal of 78432762 is 26723487.

It is an interprime number because it is at equal distance from previous prime (78432751) and next prime (78432773).

It is a self number, because there is not a number n which added to its sum of digits gives 78432762.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15343 + ... + 19805.

It is an arithmetic number, because the mean of its divisors is an integer number (5122440).

Almost surely, 2^78432762 is an apocalyptic number.

78432762 is an abundant number, since it is smaller than the sum of its proper divisors (85485318).

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

78432762 is a wasteful number, since it uses less digits than its factorization.

78432762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598.

The product of its digits is 112896, while the sum is 39.

The square root of 78432762 is about 8856.2273006061. The cubic root of 78432762 is about 428.0546011512.

It can be divided in two parts, 78 and 432762, that multiplied together give a triangular number (33755436 = T₈₂₁₆).

The spelling of 78432762 in words is "seventy-eight million, four hundred thirty-two thousand, seven hundred sixty-two".