426287672 has 8 divisors (see below), whose sum is σ = 799289400. Its totient is φ = 213143832.

The previous prime is 426287671. The next prime is 426287677. The reversal of 426287672 is 276782624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426287671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26642972 + ... + 26642987.

It is an arithmetic number, because the mean of its divisors is an integer number (99911175).

Almost surely, 2^426287672 is an apocalyptic number.

It is an amenable number.

426287672 is a deficient number, since it is larger than the sum of its proper divisors (373001728).

426287672 is a wasteful number, since it uses less digits than its factorization.

426287672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53285965 (or 53285961 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 426287672 is about 20646.7351414213. The cubic root of 426287672 is about 752.6058522999.

The spelling of 426287672 in words is "four hundred twenty-six million, two hundred eighty-seven thousand, six hundred seventy-two".