76749894 has 48 divisors (see below), whose sum is σ = 179734464. Its totient is φ = 23529600.

The previous prime is 76749857. The next prime is 76749901. The reversal of 76749894 is 49894767.

It is a happy number.

76749894 is a `hidden beast` number, since 7 + 67 + 498 + 94 = 666.

It is a super-2 number, since 2×76749894² = 11781092458022472, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 76749894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100474 + ... + 101234.

It is an arithmetic number, because the mean of its divisors is an integer number (3744468).

Almost surely, 2^76749894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76749894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89867232).

76749894 is an abundant number, since it is smaller than the sum of its proper divisors (102984570).

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

76749894 is a wasteful number, since it uses less digits than its factorization.

76749894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1210 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 76749894 is about 8760.7016842260. The cubic root of 76749894 is about 424.9709673363.

The spelling of 76749894 in words is "seventy-six million, seven hundred forty-nine thousand, eight hundred ninety-four".