76218480 has 240 divisors, whose sum is σ = 292481280. Its totient is φ = 17620992.

The previous prime is 76218473. The next prime is 76218487. The reversal of 76218480 is 8481267.

It is an interprime number because it is at equal distance from previous prime (76218473) and next prime (76218487).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76218487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158881 + ... + 159359.

It is an arithmetic number, because the mean of its divisors is an integer number (1218672).

Almost surely, 2^76218480 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 76218480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146240640).

76218480 is an abundant number, since it is smaller than the sum of its proper divisors (216262800).

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

76218480 is a wasteful number, since it uses less digits than its factorization.

76218480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 76218480 is about 8730.3195817794. The cubic root of 76218480 is about 423.9878660346.

The spelling of 76218480 in words is "seventy-six million, two hundred eighteen thousand, four hundred eighty".