76621907242 has 8 divisors (see below), whose sum is σ = 114934129632. Its totient is φ = 38310530700.

The previous prime is 76621907227. The next prime is 76621907249. The reversal of 76621907242 is 24270912667.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 76621907192 and 76621907201.

It is not an unprimeable number, because it can be changed into a prime (76621907249) 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, 117117 + ... + 408607.

It is an arithmetic number, because the mean of its divisors is an integer number (14366766204).

Almost surely, 2^76621907242 is an apocalyptic number.

76621907242 is a deficient number, since it is larger than the sum of its proper divisors (38312222390).

76621907242 is a wasteful number, since it uses less digits than its factorization.

76621907242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422924.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 76621907242 in words is "seventy-six billion, six hundred twenty-one million, nine hundred seven thousand, two hundred forty-two".