77094473 has 8 divisors (see below), whose sum is σ = 83621160. Its totient is φ = 70789120.

The previous prime is 77094443. The next prime is 77094481. The reversal of 77094473 is 37449077.

It can be written as a sum of positive squares in 4 ways, for example, as 16752649 + 60341824 = 4093^2 + 7768^2 .

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 77094473 - 2⁸ = 77094217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77094473.

It is not an unprimeable number, because it can be changed into a prime (77094403) 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, 54608 + ... + 56001.

It is an arithmetic number, because the mean of its divisors is an integer number (10452645).

Almost surely, 2^77094473 is an apocalyptic number.

It is an amenable number.

77094473 is a deficient number, since it is larger than the sum of its proper divisors (6526687).

77094473 is a wasteful number, since it uses less digits than its factorization.

77094473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110667.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 77094473 is about 8780.3458360135. The cubic root of 77094473 is about 425.6060060755.

The spelling of 77094473 in words is "seventy-seven million, ninety-four thousand, four hundred seventy-three".