78746332 has 36 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 33628224.

The previous prime is 78746321. The next prime is 78746347. The reversal of 78746332 is 23364787.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74544 + ... + 75592.

It is an arithmetic number, because the mean of its divisors is an integer number (4468800).

Almost surely, 2^78746332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78746332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

78746332 is an abundant number, since it is smaller than the sum of its proper divisors (82130468).

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

78746332 is a wasteful number, since it uses less digits than its factorization.

78746332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450 (or 1441 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 78746332 is about 8873.9130038557. The cubic root of 78746332 is about 428.6242891201.

The spelling of 78746332 in words is "seventy-eight million, seven hundred forty-six thousand, three hundred thirty-two".