427758052 has 6 divisors (see below), whose sum is σ = 748576598. Its totient is φ = 213879024.

The previous prime is 427758049. The next prime is 427758101. The reversal of 427758052 is 250857724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 239135296 + 188622756 = 15464^2 + 13734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 427757996 and 427758014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53469753 + ... + 53469760.

Almost surely, 2^427758052 is an apocalyptic number.

It is an amenable number.

427758052 is a deficient number, since it is larger than the sum of its proper divisors (320818546).

427758052 is a wasteful number, since it uses less digits than its factorization.

427758052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106939517 (or 106939515 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 427758052 is about 20682.3125399458. The cubic root of 427758052 is about 753.4701721474.

The spelling of 427758052 in words is "four hundred twenty-seven million, seven hundred fifty-eight thousand, fifty-two".