427150731 has 16 divisors (see below), whose sum is σ = 661568768. Its totient is φ = 240084000.

The previous prime is 427150729. The next prime is 427150747. The reversal of 427150731 is 137051724.

It is not a de Polignac number, because 427150731 - 2¹ = 427150729 is a prime.

It is a super-2 number, since 2×427150731² = 364915493987668722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427150771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165445 + ... + 168006.

It is an arithmetic number, because the mean of its divisors is an integer number (41348048).

Almost surely, 2^427150731 is an apocalyptic number.

427150731 is a deficient number, since it is larger than the sum of its proper divisors (234418037).

427150731 is a wasteful number, since it uses less digits than its factorization.

427150731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333522.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 427150731 is about 20667.6251901374. The cubic root of 427150731 is about 753.1134167419.

The spelling of 427150731 in words is "four hundred twenty-seven million, one hundred fifty thousand, seven hundred thirty-one".