77045073 has 16 divisors (see below), whose sum is σ = 117611520. Its totient is φ = 43947216.

The previous prime is 77045053. The next prime is 77045077. The reversal of 77045073 is 37054077.

It is not a de Polignac number, because 77045073 - 2⁵ = 77045041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77045077) 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, 10036 + ... + 15962.

It is an arithmetic number, because the mean of its divisors is an integer number (7350720).

Almost surely, 2^77045073 is an apocalyptic number.

It is an amenable number.

77045073 is a deficient number, since it is larger than the sum of its proper divisors (40566447).

77045073 is a wasteful number, since it uses less digits than its factorization.

77045073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 77045073 is about 8777.5322841901. The cubic root of 77045073 is about 425.5150811440.

The spelling of 77045073 in words is "seventy-seven million, forty-five thousand, seventy-three".