77021041 has 8 divisors (see below), whose sum is σ = 82961120. Its totient is φ = 71269632.

The previous prime is 77021029. The next prime is 77021047. The reversal of 77021041 is 14012077.

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

It is a cyclic number.

It is not a de Polignac number, because 77021041 - 2⁹ = 77020529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77021047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46320 + ... + 47953.

It is an arithmetic number, because the mean of its divisors is an integer number (10370140).

Almost surely, 2^77021041 is an apocalyptic number.

It is an amenable number.

77021041 is a deficient number, since it is larger than the sum of its proper divisors (5940079).

77021041 is a wasteful number, since it uses less digits than its factorization.

77021041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94335.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 77021041 is about 8776.1632277437. The cubic root of 77021041 is about 425.4708341361.

The spelling of 77021041 in words is "seventy-seven million, twenty-one thousand, forty-one".