77048474 has 4 divisors (see below), whose sum is σ = 115572714. Its totient is φ = 38524236.

The previous prime is 77048443. The next prime is 77048483. The reversal of 77048474 is 47484077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47484077 = 17 ⋅2793181.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 37295449 = 6305^2 + 6107^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19262117 + ... + 19262120.

Almost surely, 2^77048474 is an apocalyptic number.

77048474 is a deficient number, since it is larger than the sum of its proper divisors (38524240).

77048474 is a wasteful number, since it uses less digits than its factorization.

77048474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38524239.

The product of its (nonzero) digits is 175616, while the sum is 41.

The square root of 77048474 is about 8777.7260153185. The cubic root of 77048474 is about 425.5213422214.

The spelling of 77048474 in words is "seventy-seven million, forty-eight thousand, four hundred seventy-four".