77020633 has 8 divisors (see below), whose sum is σ = 78278400. Its totient is φ = 75773040.

The previous prime is 77020631. The next prime is 77020651. The reversal of 77020633 is 33602077.

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 77020633 - 2¹ = 77020631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77020631) 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, 13528 + ... + 18358.

It is an arithmetic number, because the mean of its divisors is an integer number (9784800).

Almost surely, 2^77020633 is an apocalyptic number.

It is an amenable number.

77020633 is a deficient number, since it is larger than the sum of its proper divisors (1257767).

77020633 is a wasteful number, since it uses less digits than its factorization.

77020633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 77020633 is about 8776.1399829310. The cubic root of 77020633 is about 425.4700828592.

The spelling of 77020633 in words is "seventy-seven million, twenty thousand, six hundred thirty-three".