774220054 has 4 divisors (see below), whose sum is σ = 1161330084. Its totient is φ = 387110026.

The previous prime is 774220039. The next prime is 774220081. The reversal of 774220054 is 450022477.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 774219998 and 774220025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193555012 + ... + 193555015.

It is an arithmetic number, because the mean of its divisors is an integer number (290332521).

Almost surely, 2^774220054 is an apocalyptic number.

774220054 is a deficient number, since it is larger than the sum of its proper divisors (387110030).

774220054 is a wasteful number, since it uses less digits than its factorization.

774220054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387110029.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 774220054 is about 27824.8100442752. The cubic root of 774220054 is about 918.2370357913.

The spelling of 774220054 in words is "seven hundred seventy-four million, two hundred twenty thousand, fifty-four".