427140837 has 16 divisors (see below), whose sum is σ = 633185280. Its totient is φ = 284587776.

The previous prime is 427140823. The next prime is 427140859. The reversal of 427140837 is 738041724.

It is a happy number.

It is not a de Polignac number, because 427140837 - 2⁴ = 427140821 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427140877) 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, 53308 + ... + 60794.

It is an arithmetic number, because the mean of its divisors is an integer number (39574080).

Almost surely, 2^427140837 is an apocalyptic number.

It is an amenable number.

427140837 is a deficient number, since it is larger than the sum of its proper divisors (206044443).

427140837 is a wasteful number, since it uses less digits than its factorization.

427140837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9609 (or 9603 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 427140837 is about 20667.3858288851. The cubic root of 427140837 is about 753.1076019626.

The spelling of 427140837 in words is "four hundred twenty-seven million, one hundred forty thousand, eight hundred thirty-seven".