78714762 has 40 divisors (see below), whose sum is σ = 184917216. Its totient is φ = 21882096.

The previous prime is 78714761. The next prime is 78714781. The reversal of 78714762 is 26741787.

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (131712) is a multiple of the sum of its prime divisors (49).

It is not an unprimeable number, because it can be changed into a prime (78714761) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2127408 + ... + 2127444.

Almost surely, 2^78714762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78714762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92458608).

78714762 is an abundant number, since it is smaller than the sum of its proper divisors (106202454).

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

78714762 is an frugal number, since it uses more digits than its factorization.

78714762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 49 counting only the distinct ones).

The product of its digits is 131712, while the sum is 42.

The square root of 78714762 is about 8872.1340161204. The cubic root of 78714762 is about 428.5670018908.

Multiplying 78714762 by its sum of digits (42), we get a square (3306020004 = 57498²).

78714762 divided by its sum of digits (42) gives a 4-th power (1874161 = 37⁴).

Multiplying 78714762 by its product of digits (131712), we get a square (10367678732544 = 3219888²).

The spelling of 78714762 in words is "seventy-eight million, seven hundred fourteen thousand, seven hundred sixty-two".