77474673 has 12 divisors (see below), whose sum is σ = 115518208. Its totient is φ = 49983480.

The previous prime is 77474669. The next prime is 77474687. The reversal of 77474673 is 37647477.

It is not a de Polignac number, because 77474673 - 2² = 77474669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77474623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138565 + ... + 139122.

Almost surely, 2^77474673 is an apocalyptic number.

It is an amenable number.

77474673 is a deficient number, since it is larger than the sum of its proper divisors (38043535).

77474673 is a wasteful number, since it uses less digits than its factorization.

77474673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277724 (or 277721 counting only the distinct ones).

The product of its digits is 691488, while the sum is 45.

The square root of 77474673 is about 8801.9698363491. The cubic root of 77474673 is about 426.3045002738.

The spelling of 77474673 in words is "seventy-seven million, four hundred seventy-four thousand, six hundred seventy-three".