77294994 has 64 divisors (see below), whose sum is σ = 182747136. Its totient is φ = 21337344.

The previous prime is 77294993. The next prime is 77295013. The reversal of 77294994 is 49949277.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (77294993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229194 + ... + 229530.

It is an arithmetic number, because the mean of its divisors is an integer number (2855424).

Almost surely, 2^77294994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77294994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91373568).

77294994 is an abundant number, since it is smaller than the sum of its proper divisors (105452142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77294994 is a wasteful number, since it uses less digits than its factorization.

77294994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its digits is 1143072, while the sum is 51.

The square root of 77294994 is about 8791.7571622515. The cubic root of 77294994 is about 425.9746838534.

The spelling of 77294994 in words is "seventy-seven million, two hundred ninety-four thousand, nine hundred ninety-four".