76657242 has 8 divisors (see below), whose sum is σ = 153314496. Its totient is φ = 25552412.

The previous prime is 76657241. The next prime is 76657247. The reversal of 76657242 is 24275667.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

76657242 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 76657242.

It is not an unprimeable number, because it can be changed into a prime (76657241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6388098 + ... + 6388109.

It is an arithmetic number, because the mean of its divisors is an integer number (19164312).

Almost surely, 2^76657242 is an apocalyptic number.

76657242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

76657242 is a wasteful number, since it uses less digits than its factorization.

76657242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776212.

The product of its digits is 141120, while the sum is 39.

The square root of 76657242 is about 8755.4121547760. The cubic root of 76657242 is about 424.7998910310.

The spelling of 76657242 in words is "seventy-six million, six hundred fifty-seven thousand, two hundred forty-two".