78737376 has 48 divisors (see below), whose sum is σ = 207522000. Its totient is φ = 26139648.

The previous prime is 78737371. The next prime is 78737381. The reversal of 78737376 is 67373787.

It is an interprime number because it is at equal distance from previous prime (78737371) and next prime (78737381).

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78737371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24300 + ... + 27348.

It is an arithmetic number, because the mean of its divisors is an integer number (4323375).

Almost surely, 2^78737376 is an apocalyptic number.

It is an amenable number.

78737376 is an abundant number, since it is smaller than the sum of its proper divisors (128784624).

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

78737376 is a wasteful number, since it uses less digits than its factorization.

78737376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331 (or 3323 counting only the distinct ones).

The product of its digits is 1037232, while the sum is 48.

The square root of 78737376 is about 8873.4083643209. The cubic root of 78737376 is about 428.6080390312.

The spelling of 78737376 in words is "seventy-eight million, seven hundred thirty-seven thousand, three hundred seventy-six".