773145408 has 56 divisors (see below), whose sum is σ = 2337848512. Its totient is φ = 220898304.

The previous prime is 773145407. The next prime is 773145413. The reversal of 773145408 is 804541377.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×773145408² = 1195507643822972928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773145407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286285 + ... + 288972.

Almost surely, 2^773145408 is an apocalyptic number.

It is an amenable number.

773145408 is an abundant number, since it is smaller than the sum of its proper divisors (1564703104).

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

773145408 is a wasteful number, since it uses less digits than its factorization.

773145408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575279 (or 575269 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 773145408 is about 27805.4924070767. The cubic root of 773145408 is about 917.8119901095.

The spelling of 773145408 in words is "seven hundred seventy-three million, one hundred forty-five thousand, four hundred eight".