77297033 has 16 divisors (see below), whose sum is σ = 87168960. Its totient is φ = 67924800.

The previous prime is 77297027. The next prime is 77297039. The reversal of 77297033 is 33079277.

It is an interprime number because it is at equal distance from previous prime (77297027) and next prime (77297039).

It is a cyclic number.

It is not a de Polignac number, because 77297033 - 2²⁰ = 76248457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77297039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72323 + ... + 73383.

It is an arithmetic number, because the mean of its divisors is an integer number (5448060).

Almost surely, 2^77297033 is an apocalyptic number.

It is an amenable number.

77297033 is a deficient number, since it is larger than the sum of its proper divisors (9871927).

77297033 is a wasteful number, since it uses less digits than its factorization.

77297033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 55566, while the sum is 38.

The square root of 77297033 is about 8791.8731223784. The cubic root of 77297033 is about 425.9784294808.

The spelling of 77297033 in words is "seventy-seven million, two hundred ninety-seven thousand, thirty-three".