76218836 has 12 divisors (see below), whose sum is σ = 136636500. Its totient is φ = 37179840.

The previous prime is 76218827. The next prime is 76218841. The reversal of 76218836 is 63881267.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8880400 + 67338436 = 2980^2 + 8206^2 .

It is a super-2 number, since 2×76218836² = 11618621922389792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 76218793 and 76218802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232211 + ... + 232538.

It is an arithmetic number, because the mean of its divisors is an integer number (11386375).

Almost surely, 2^76218836 is an apocalyptic number.

It is an amenable number.

76218836 is a deficient number, since it is larger than the sum of its proper divisors (60417664).

76218836 is a wasteful number, since it uses less digits than its factorization.

76218836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464794 (or 464792 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 76218836 is about 8730.3399704708. The cubic root of 76218836 is about 423.9885261521.

The spelling of 76218836 in words is "seventy-six million, two hundred eighteen thousand, eight hundred thirty-six".